cephalexin

Impurities - Cephalexin is also spelled cephalexin. It can treat a number of bacterial infections including: otitis media, streptococcal pharyngitis, bone and joint infections, pneumonia, cellulitis, and urinary tract infections.. Reference standards of Cephalexin API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

stdClass Object
(
    [pname] => Cephalexin - Impurity B
    [catalogue_number] => PA 03 35020
    [category_ids] => ,88,82,80,78,75,71,70,
    [chemical_name] => 
    [weight] => 214.24
    [form] => C8H10N2O3S
    [cas] => 22252-43-3
    [pslug] => 22252-43-3-cephalexin-impurity-b-pa0335020
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PA 03 35020
PA 03 35020

Cephalexin - Impurity B

  • Catalogue No.:PA 03 35020

  • CAS :

    22252-43-3

  • Molecular Formula : C8H10N2O3S

  • Molecular Weight : 214.24

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Details 
stdClass Object
(
    [pname] => Cephalexin - Impurity C
    [catalogue_number] => PA 03 35030
    [category_ids] => ,80,71,75,78,70,82,88,
    [chemical_name] => 
    [weight] => 480.54
    [form] => C24H24N4O5S
    [cas] => 72528-40-6
    [pslug] => 72528-40-6-cephalexin-impurity-c-pa0335030
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PA 03 35030
PA 03 35030

Cephalexin - Impurity C

  • Catalogue No.:PA 03 35030

  • CAS :

    72528-40-6

  • Molecular Formula : C24H24N4O5S

  • Molecular Weight : 480.54

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Details 
stdClass Object
(
    [pname] => Cephalexin - Impurity D
    [catalogue_number] => PA 03 35040
    [category_ids] => ,88,82,80,78,75,71,70,
    [chemical_name] => 
    [weight] => 130.16
    [form] => C5H6O2S
    [cas] => 34876-35-2
    [pslug] => 34876-35-2-cephalexin-impurity-d-pa0335040
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PA 03 35040
PA 03 35040

Cephalexin - Impurity D

  • Catalogue No.:PA 03 35040

  • CAS :

    34876-35-2

  • Molecular Formula : C5H6O2S

  • Molecular Weight : 130.16

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Details 
stdClass Object
(
    [pname] => Cephalexin - Impurity E
    [catalogue_number] => PA 03 35050
    [category_ids] => ,88,82,80,78,75,71,70,
    [chemical_name] => 
    [weight] => 298.36
    [form] => C13H18N2O4S
    [cas] => 146794-70-9
    [pslug] => 146794-70-9-cephalexin-impurity-e-pa0335050
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PA 03 35050
PA 03 35050

Cephalexin - Impurity E

  • Catalogue No.:PA 03 35050

  • CAS :

    146794-70-9

  • Molecular Formula : C13H18N2O4S

  • Molecular Weight : 298.36

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Details 
stdClass Object
(
    [pname] => Cephalexin - Impurity F
    [catalogue_number] => PA 03 35060
    [category_ids] => ,88,82,80,78,75,71,70,
    [chemical_name] => 
    [weight] => 347.39
    [form] => C16H17N3O4S
    [cas] => 79750-46-2
    [pslug] => 79750-46-2-cephalexin-impurity-f-pa0335060
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PA 03 35060
PA 03 35060

Cephalexin - Impurity F

  • Catalogue No.:PA 03 35060

  • CAS :

    79750-46-2

  • Molecular Formula : C16H17N3O4S

  • Molecular Weight : 347.39

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Details
Similar products pharmaffiliates 
stdClass Object
(
    [pname] => (6R,7R)-7-[[(2R)-2-Amino-2-phenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-[(2r)-2-phenylacetic acid] Carboxamide
    [catalogue_number] => PA 03 35510
    [category_ids] => ,80,71,75,78,70,82,88,
    [chemical_name] => 
    [weight] => 480.54
    [form] => C24H24N4O5S
    [cas] => NA
    [pslug] => 6r-7r-7-2r-2-amino-2-phenylacetyl-amino-3-methyl-8-oxo-5-thia-1-azabicyclo-4-2-0-oct-2-ene-2-2r-2-phenylacetic-acid-carboxamide-pa0335510
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PA 03 35510
PA 03 35510

(6R,7R)-7-[[(2R)-2-Amino-2-phenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-[(2r)-2-phenylacetic acid] Carboxamide

  • Catalogue No.:PA 03 35510

  • CAS :

    NA

  • Molecular Formula : C24H24N4O5S

  • Molecular Weight : 480.54

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Details 
stdClass Object
(
    [pname] => Cephalexin Diketopiperazine
    [catalogue_number] => PA 03 35520
    [category_ids] => ,80,71,75,78,70,82,88,
    [chemical_name] => 
    [weight] => 347.39
    [form] => C16H17N3O4S
    [cas] => 59865-11-1
    [pslug] => 59865-11-1-cephalexin-diketopiperazine-pa0335520
    [latest_product] => 0
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PA 03 35520
PA 03 35520

Cephalexin Diketopiperazine

  • Catalogue No.:PA 03 35520

  • CAS :

    59865-11-1

  • Molecular Formula : C16H17N3O4S

  • Molecular Weight : 347.39

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Details
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stdClass Object
(
    [pname] => Cephalexin R-Sulfoxide
    [catalogue_number] => PA 03 35530
    [category_ids] => ,70,71,75,78,80,82,88,
    [chemical_name] => 
    [weight] => 363.39
    [form] => C16H17N3O5S
    [cas] => 52210-38-5
    [pslug] => 52210-38-5-cephalexin-r-sulfoxide-pa0335530
    [latest_product] => 0
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PA 03 35530
PA 03 35530

Cephalexin R-Sulfoxide

  • Catalogue No.:PA 03 35530

  • CAS :

    52210-38-5

  • Molecular Formula : C16H17N3O5S

  • Molecular Weight : 363.39

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Details 
stdClass Object
(
    [pname] => Cephalexin S-Sulfoxide
    [catalogue_number] => PA 03 35540
    [category_ids] => ,70,71,75,78,80,82,88,
    [chemical_name] => 
    [weight] => 363.39
    [form] => C16H17N3O5S
    [cas] => 74708-55-7
    [pslug] => 74708-55-7-cephalexin-s-sulfoxide-pa0335540
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PA 03 35540
PA 03 35540

Cephalexin S-Sulfoxide

  • Catalogue No.:PA 03 35540

  • CAS :

    74708-55-7

  • Molecular Formula : C16H17N3O5S

  • Molecular Weight : 363.39

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Details 
stdClass Object
(
    [pname] => Cephalexin Ethyl Homolog
    [catalogue_number] => PA 03 35550
    [category_ids] => ,70,71,75,78,80,82,88,
    [chemical_name] => 
    [weight] => 361.42
    [form] => C17H19N3O4S
    [cas] => 36114-06-4
    [pslug] => 36114-06-4-cephalexin-ethyl-homolog-pa0335550
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PA 03 35550
PA 03 35550

Cephalexin Ethyl Homolog

  • Catalogue No.:PA 03 35550

  • CAS :

    36114-06-4

  • Molecular Formula : C17H19N3O4S

  • Molecular Weight : 361.42

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Details 
stdClass Object
(
    [pname] => DL-2-Phenylglycine
    [catalogue_number] => PA 03 35551
    [category_ids] => ,75,78,80,97,
    [chemical_name] => 
    [weight] => 151.16
    [form] => C8H9NO2
    [cas] => 2835-06-5
    [pslug] => 2835-06-5-dl-2-phenylglycine-pa0335551
    [latest_product] => 0
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PA 03 35551
PA 03 35551

DL-2-Phenylglycine

  • Catalogue No.:PA 03 35551

  • CAS :

    2835-06-5

  • Molecular Formula : C8H9NO2

  • Molecular Weight : 151.16

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Details 
stdClass Object
(
    [pname] => Cephalexin Diketopiperazine Monoacid (Mixture of Diastereomers)
    [catalogue_number] => PA 03 35570
    [category_ids] => ,88,80,71,75,70,78,82,
    [chemical_name] => 
    [weight] => 365.4
    [form] => C16H19N3O5S
    [cas] => 1323247-65-9
    [pslug] => 1323247-65-9-cephalexin-diketopiperazine-monoacid-mixture-of-diastereomers-pa0335570
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PA 03 35570
PA 03 35570

Cephalexin Diketopiperazine Monoacid (Mixture of Diastereomers)

  • Catalogue No.:PA 03 35570

  • CAS :

    1323247-65-9

  • Molecular Formula : C16H19N3O5S

  • Molecular Weight : 365.4

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Details 
stdClass Object
(
    [pname] => D-Phenylglycyl Cephalexin-d5
    [catalogue_number] => PA STI 073080
    [category_ids] => ,79,80,71,75,98,78,70,82,88,
    [chemical_name] => 
    [weight] => 485.57
    [form] => C24H19D5N4O5S
    [cas] => NA
    [pslug] => d-phenylglycyl-cephalexin-d5-pasti073080
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PA STI 073080
PA STI 073080

D-Phenylglycyl Cephalexin-d5

  • Catalogue No.:PA STI 073080

  • CAS :

    NA

  • Molecular Formula : C24H19D5N4O5S

  • Molecular Weight : 485.57

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Details 
stdClass Object
(
    [pname] => Δ-2-7-Aminodesacetoxycephalosporanic Acid
    [catalogue_number] => PA 56 26540
    [category_ids] => ,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 214.24
    [form] => C8H10N2O3S
    [cas] => 56487-68-4
    [pslug] => 56487-68-4-delta-2-7-aminodesacetoxycephalosporanic-acid-pa5626540
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PA 56 26540
PA 56 26540

Δ-2-7-Aminodesacetoxycephalosporanic Acid

  • Catalogue No.:PA 56 26540

  • CAS :

    56487-68-4

  • Molecular Formula : C8H10N2O3S

  • Molecular Weight : 214.24

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Details 
stdClass Object
(
    [pname] => Cephalexin Diketopiperazine Hydrochloride
    [catalogue_number] => PA 03 35580
    [category_ids] => ,80,71,75,78,70,82,88,
    [chemical_name] => 
    [weight] => 383.85
    [form] => C16H18ClN3O4S
    [cas] => NA
    [pslug] => cephalexin-diketopiperazine-hydrochloride-pa0335580
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PA 03 35580
PA 03 35580

Cephalexin Diketopiperazine Hydrochloride

  • Catalogue No.:PA 03 35580

  • CAS :

    NA

  • Molecular Formula : C16H18ClN3O4S

  • Molecular Weight : 383.85

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stdClass Object
(
    [pname] => Cefalexin Delactam Dimer
    [catalogue_number] => PA 56 0261000
    [category_ids] => ,75,76,78,82,
    [chemical_name] => 
    [weight] => 694.78
    [form] => C32H34N6O8S2
    [cas] => NA
    [pslug] => -cefalexin-delactam-dimer-pa560261000
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PA 56 0261000
PA 56 0261000

Cefalexin Delactam Dimer

  • Catalogue No.:PA 56 0261000

  • CAS :

    NA

  • Molecular Formula : C32H34N6O8S2

  • Molecular Weight : 694.78

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Details 
stdClass Object
(
    [pname] => Sodium (E)-2-((4-ethoxy-4-oxobut-2-en-2-yl)amino)-2-phenylacetate
    [catalogue_number] => PAI 03 029031
    [category_ids] => ,78,75,70,76,82,
    [chemical_name] => 
    [weight] => 285.27
    [form] => C14H16NNaO4
    [cas] => NA
    [pslug] => -sodium-e-2-4-ethoxy-4-oxobut-2-en-2-yl-amino-2-phenylacetate-pai03029031
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PAI 03 029031
PAI 03 029031

Sodium (E)-2-((4-ethoxy-4-oxobut-2-en-2-yl)amino)-2-phenylacetate

  • Catalogue No.:PAI 03 029031

  • CAS :

    NA

  • Molecular Formula : C14H16NNaO4

  • Molecular Weight : 285.27

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Details 
stdClass Object
(
    [pname] => 7-(2-Amino-2-phenylacetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
    [catalogue_number] => PAI 03 029032
    [category_ids] => ,82,78,76,75,70,
    [chemical_name] => 
    [weight] => 359.4
    [form] => C17H17N3O4S
    [cas] => NA
    [pslug] => 7-2-amino-2-phenylacetamido-8-oxo-3-vinyl-5-thia-1-azabicyclo-4-2-0-oct-2-ene-2-carboxylic-acid-pai03029032
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PAI 03 029032
PAI 03 029032

7-(2-Amino-2-phenylacetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid

  • Catalogue No.:PAI 03 029032

  • CAS :

    NA

  • Molecular Formula : C17H17N3O4S

  • Molecular Weight : 359.4

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Details 
stdClass Object
(
    [pname] => 2-(1-Amino-2-(((R)-carboxy(phenyl)methyl)amino)-2-oxoethyl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic Acid
    [catalogue_number] => PA 56 0261001
    [category_ids] => ,78,75,70,76,82,
    [chemical_name] => 
    [weight] => 365.4
    [form] => C16H19N3O5S
    [cas] => 2820348-60-3
    [pslug] => 2820348-60-3-2-1-amino-2-r-carboxy-phenyl-methyl-amino-2-oxoethyl-5-methyl-3-6-dihydro-2h-1-3-thiazine-4-carboxylic-acid-pa560261001
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PA 56 0261001
PA 56 0261001

2-(1-Amino-2-(((R)-carboxy(phenyl)methyl)amino)-2-oxoethyl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic Acid

  • Catalogue No.:PA 56 0261001

  • CAS :

    2820348-60-3

  • Molecular Formula : C16H19N3O5S

  • Molecular Weight : 365.4

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Details 
stdClass Object
(
    [pname] => Cephalexin (IPRS/21/16)
    [catalogue_number] => PA IPRS 21 16
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => NA
    [form] => NA
    [cas] => NA
    [pslug] => cephalexin-iprs-21-16-paiprs2116
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PA IPRS 21 16
PA IPRS 21 16

Cephalexin (IPRS/21/16)

  • Catalogue No.:PA IPRS 21 16

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Details 
stdClass Object
(
    [pname] => Cephalexin sulfoxide
    [catalogue_number] => PA 56 0261004
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 363.39
    [form] => C16H17N3O5S
    [cas] => 56193-21-6
    [pslug] => 56193-21-6-cephalexin-sulfoxide-pa560261004
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PA 56 0261004
PA 56 0261004

Cephalexin sulfoxide

  • Catalogue No.:PA 56 0261004

  • CAS :

    56193-21-6

  • Molecular Formula : C16H17N3O5S

  • Molecular Weight : 363.39

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Details 
stdClass Object
(
    [pname] => L-Cephalexin
    [catalogue_number] => PA 56 0261003
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 347.39
    [form] => C16H17N3O4S
    [cas] => 34632-04-7
    [pslug] => 34632-04-7-l-cephalexin-pa560261003
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PA 56 0261003
PA 56 0261003

L-Cephalexin

  • Catalogue No.:PA 56 0261003

  • CAS :

    34632-04-7

  • Molecular Formula : C16H17N3O4S

  • Molecular Weight : 347.39

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Details 
stdClass Object
(
    [pname] => Cephalexin Open-Ring Impurity
    [catalogue_number] => PA 56 0261006
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 365.4
    [form] => C16H19N3O5S
    [cas] => NA
    [pslug] => cephalexin-open-ring-impurity-pa560261006
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PA 56 0261006
PA 56 0261006

Cephalexin Open-Ring Impurity

  • Catalogue No.:PA 56 0261006

  • CAS :

    NA

  • Molecular Formula : C16H19N3O5S

  • Molecular Weight : 365.4

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Details 
stdClass Object
(
    [pname] => delta4-Cephalexin Diketopiperazine
    [catalogue_number] => PA 56 0261010
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 347.39
    [form] => C16H17N3O4S
    [cas] => 65870-52-2
    [pslug] => 65870-52-2-delta4-cephalexin-diketopiperazine-pa560261010
    [latest_product] => 0
    [linkproducts] => 0
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PA 56 0261010
PA 56 0261010

delta4-Cephalexin Diketopiperazine

  • Catalogue No.:PA 56 0261010

  • CAS :

    65870-52-2

  • Molecular Formula : C16H17N3O4S

  • Molecular Weight : 347.39

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Details 
stdClass Object
(
    [pname] => Cephalexin - Impurity F (Dihydrate Salt)
    [catalogue_number] => PA 56 0260061
    [category_ids] => ,88,82,80,78,75,71,70,
    [chemical_name] => 
    [weight] => 383.42
    [form] => C16H21N3O6S
    [cas] => NA
    [pslug] => cephalexin-impurity-f-dihydrate-salt-pa560260061
    [latest_product] => 0
    [linkproducts] => 1
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)
PA 56 0260061
PA 56 0260061

Cephalexin - Impurity F (Dihydrate Salt)

  • Catalogue No.:PA 56 0260061

  • CAS :

    NA

  • Molecular Formula : C16H21N3O6S

  • Molecular Weight : 383.42

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stdClass Object
(
    [pname] => 2-(1-Amino-2-((carboxy(phenyl)methyl)amino)-2-oxoethyl)-5-methyl-3-nitroso-3,6-dihydro-2H-1,3-thiazine-4-carboxylic Acid
    [catalogue_number] => PA 56 0261012
    [category_ids] => ,88,80,71,75,70,78,82,162,
    [chemical_name] => 
    [weight] => 394.4
    [form] => C16H18N4O6S
    [cas] => NA
    [pslug] => 2-1-amino-2-carboxy-phenyl-methyl-amino-2-oxoethyl-5-methyl-3-nitroso-3-6-dihydro-2h-1-3-thiazine-4-carboxylic-acid-pa560261012
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PA 56 0261012
PA 56 0261012

2-(1-Amino-2-((carboxy(phenyl)methyl)amino)-2-oxoethyl)-5-methyl-3-nitroso-3,6-dihydro-2H-1,3-thiazine-4-carboxylic Acid

  • Catalogue No.:PA 56 0261012

  • CAS :

    NA

  • Molecular Formula : C16H18N4O6S

  • Molecular Weight : 394.4

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Details 
stdClass Object
(
    [pname] => 2-(3,6-Dioxo-5-phenylpiperazin-2-yl)-5-methyl-3-nitroso-3,6-dihydro-2H-1,3-thiazine-4-carboxylic Acid
    [catalogue_number] => PA 56 0261013
    [category_ids] => ,88,80,71,75,70,78,82,162,
    [chemical_name] => 
    [weight] => 376.39
    [form] => C16H16N4O5S
    [cas] => NA
    [pslug] => 2-3-6-dioxo-5-phenylpiperazin-2-yl-5-methyl-3-nitroso-3-6-dihydro-2h-1-3-thiazine-4-carboxylic-acid-pa560261013
    [latest_product] => 0
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)
PA 56 0261013
PA 56 0261013

2-(3,6-Dioxo-5-phenylpiperazin-2-yl)-5-methyl-3-nitroso-3,6-dihydro-2H-1,3-thiazine-4-carboxylic Acid

  • Catalogue No.:PA 56 0261013

  • CAS :

    NA

  • Molecular Formula : C16H16N4O5S

  • Molecular Weight : 376.39

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