Thiamine-impurities | Pharmaffiliates

thiamine and its Impurities

A hydrochloride salt of vitamine B1, which is found in various food items and is used as a dietery supplement. An organosulhur compound used to treat disorders like beriberi, Korsakoff's syndrome, and Korsakoff's psychosis. A water soluble vitamin cofactor. Reference standards of Thiamine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 55 results for thiamine Impurities
PA 20 28510

5-(2-Hydroxyethyl)-4-methylthiazole

5-(2-Hydroxyethyl)-4-methylthiazole


  • Catalogue No.:PA 20 28510

  • CAS :

    137-00-8

  • Molecular Formula : C6H9NOS

  • Molecular Weight : 143.21

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PA 20 28520

Thiamine Mononitrate - API Standards

Thiamine Mononitrate


  • Catalogue No.:PA 20 28520

  • CAS :

    532-43-4

  • Molecular Formula : C12H17N5O4S

  • Molecular Weight : 327.36

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PA 20 28530

4-Amino-5-aminomethyl-2-methylpyrimidine Dihydrochloride

4-Amino-5-aminomethyl-2-methylpyrimidine Dihydrochloride


  • Catalogue No.:PA 20 28530

  • CAS :

    874-43-1

  • Molecular Formula : C6H12Cl2N4

  • Molecular Weight : 211.09

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PA 20 28540

Toxopyrimidine

Toxopyrimidine


  • Catalogue No.:PA 20 28540

  • CAS :

    73-67-6

  • Molecular Formula : C6H9N3O

  • Molecular Weight : 139.16

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PA 20 28550

Thiamine Pyrophosphate Chloride

Thiamine Pyrophosphate Chloride


  • Catalogue No.:PA 20 28550

  • CAS :

    154-87-0

  • Molecular Formula : C12H19ClN4O7P2S

  • Molecular Weight : 460.77

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PA 20 28580

Thiamine Disulfide

Thiamine Disulfide


  • Catalogue No.:PA 20 28580

  • CAS :

    67-16-3

  • Molecular Formula : C24H34N8O4S2

  • Molecular Weight : 562.71

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PA 20 28590

Thiamine Monophosphate Chloride Dihydrate

Thiamine Monophosphate Chloride Dihydrate


  • Catalogue No.:PA 20 28590

  • CAS :

    273724-21-3

  • Molecular Formula : C12H22ClN4O6PS

  • Molecular Weight : 416.81

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PA 20 28071

Thiamine - Impurity G (Chloride Salt)

Acetylthiamine Chloride


  • Catalogue No.:PA 20 28071

  • CAS :

    3419-28-1

  • Molecular Formula : C14H19ClN4O2S

  • Molecular Weight : 342.84

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PA 20 0281009

3-(((4-Amino-2-methylpyrimidin-5-yl)methyl)thio)propane-1,2-diol

3-(((4-Amino-2-methylpyrimidin-5-yl)methyl)thio)propane-1,2-diol


  • Catalogue No.:PA 20 0281009

  • CAS :

    2169341-54-0

  • Molecular Formula : C9H15N3O2S

  • Molecular Weight : 229.3

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PA 20 28560

Z-Benfotiamine

Z-Benfotiamine


  • Catalogue No.:PA 20 28560

  • CAS :

    775256-41-2

  • Molecular Formula : C19H23N4O6PS

  • Molecular Weight : 466.45

PA 20 28570

Benfotiamine Amide

Benfotiamine Amide


  • Catalogue No.:PA 20 28570

  • CAS :

    2643982-77-6

  • Molecular Formula : C26H27N4O7PS

  • Molecular Weight : 570.55

PA STI 088211

L-Aspartyl-L-phenylalanine-d5

L-Aspartyl-L-phenylalanine-d5


  • Catalogue No.:PA STI 088211

  • CAS :

    NA

  • Molecular Formula : C13H11D5N2O5

  • Molecular Weight : 285.31

PA STI 082650

Thiamine-d3 Pyrophosphate Chloride (d3-Major)

Thiamine-d3 Pyrophosphate Chloride (d3-Major)


  • Catalogue No.:PA STI 082650

  • CAS :

    2483831-79-2

  • Molecular Formula : C12H16D3ClN4O7P2S

  • Molecular Weight : 463.79

PA STI 082700

Thiamine-d3 Hydrochloride

Thiamine-d3 Hydrochloride


  • Catalogue No.:PA STI 082700

  • CAS :

    NA

  • Molecular Formula : C12H15D3Cl2N4OS

  • Molecular Weight : 340.29

PA STI 082710

Thiamine-13C3 Hydrochloride

Thiamine-13C3 Hydrochloride


  • Catalogue No.:PA STI 082710

  • CAS :

    NA

  • Molecular Formula : C913C3H18Cl2N4OS

  • Molecular Weight : 340.25

PA JP0036

Cetotiamine Hydrochloride (JP 0036)

Cetotiamine Hydrochloride (JP 0036)


  • Catalogue No.:PA JP0036

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PAI 20 009010

Propionamidine Hydrochloride

Propionamidine Hydrochloride


  • Catalogue No.:PAI 20 009010

  • CAS :

    3599-89-1

  • Molecular Formula : C3H9ClN2

  • Molecular Weight : 108.57

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PAI 20 009020

4-Amino-2-ethylpyrimidine-5-carbonitrile

4-Amino-2-ethylpyrimidine-5-carbonitrile


  • Catalogue No.:PAI 20 009020

  • CAS :

    76574-45-3

  • Molecular Formula : C7H8N4

  • Molecular Weight : 148.17

PAI 20 009030

4-Amino-2-ethylpyrimidine-5-carbaldehyde

4-Amino-2-ethylpyrimidine-5-carbaldehyde


  • Catalogue No.:PAI 20 009030

  • CAS :

    76574-51-1

  • Molecular Formula : C7H9N3O

  • Molecular Weight : 151.17

PAI 20 009040

(4-amino-2-ethylpyrimidin-5-yl)methanol

(4-amino-2-ethylpyrimidin-5-yl)methanol


  • Catalogue No.:PAI 20 009040

  • CAS :

    876-21-1

  • Molecular Formula : C7H11N3O

  • Molecular Weight : 153.18

PAI 20 009050

5-(Bromomethyl)-2-ethylpyrimidin-4-amine

5-(Bromomethyl)-2-ethylpyrimidin-4-amine


  • Catalogue No.:PAI 20 009050

  • CAS :

    25520-78-9

  • Molecular Formula : C7H10BrN3

  • Molecular Weight : 216.08

PAI 20 009060

4-Aminopyrimidine-5-carboxylic Acid Ethyl Ester

4-Aminopyrimidine-5-carboxylic Acid Ethyl Ester


  • Catalogue No.:PAI 20 009060

  • CAS :

    65195-35-9

  • Molecular Formula : C7H9N3O2

  • Molecular Weight : 167.17

PAI 20 009070

(4-Aminopyrimidin-5-yl)methanol

(4-Aminopyrimidin-5-yl)methanol


  • Catalogue No.:PAI 20 009070

  • CAS :

    7730-23-6

  • Molecular Formula : C5H7N3O

  • Molecular Weight : 125.13

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PAI 20 009080

5-(Bromomethyl)pyrimidin-4-amine

5-(Bromomethyl)pyrimidin-4-amine


  • Catalogue No.:PAI 20 009080

  • CAS :

    861031-67-6

  • Molecular Formula : C5H6BrN3

  • Molecular Weight : 188.03

PAI 20 009090

5-(Chloromethyl)pyrimidin-4-amine

5-(Chloromethyl)pyrimidin-4-amine


  • Catalogue No.:PAI 20 009090

  • CAS :

    856594-86-0

  • Molecular Formula : C5H6ClN3

  • Molecular Weight : 143.57

PA IPIPRS 255 12

Thiamine Mononitrate (IPRS/255/12)-from IPC


  • Catalogue No.:PA IPIPRS 255 12

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA IPIPRS 40 11

Thiamine Hydrochloride (Vit. B1) (IPRS/40/11)-from IPC


  • Catalogue No.:PA IPIPRS 40 11

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA JP0224

Thiamine Chloride Hydrochloride (JP 0224)

Thiamine Chloride Hydrochloride (JP 0224)


  • Catalogue No.:PA JP0224

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0000467

Thiamine hydrochloride (Y0000467)

Thiamine hydrochloride (Y0000467)


  • Catalogue No.:PA EPY0000467

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0001749

Thiamine for system suitability (Y0001749)

Thiamine for system suitability (Y0001749)


  • Catalogue No.:PA EPY0001749

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0001758

Thiamine nitrate (Y0001758)

Thiamine nitrate (Y0001758)


  • Catalogue No.:PA EPY0001758

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1656002

Thiamine Hydrochloride (Vitamin B1 Hydrochloride) (1656002)


  • Catalogue No.:PA USP1656002

  • CAS :

    67-03-8

  • Molecular Formula :

  • Molecular Weight : NA

PA BP414RB

thiamine mononitrate (414RB)

thiamine mononitrate (414RB)


  • Catalogue No.:PA BP414RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 20 28600

4-Amino-5-[(dithiocarboxyamino)methyl]-2-methypyrimidine Ammonium Salt

4-Amino-5-[(dithiocarboxyamino)methyl]-2-methypyrimidine Ammonium Salt


  • Catalogue No.:PA 20 28600

  • CAS :

    856973-53-0

  • Molecular Formula : C7H13N5S2

  • Molecular Weight : 231.34

PA 20 28610

Vitamin B1 Monophosphate Chloride

Vitamin B1 Monophosphate Chloride


  • Catalogue No.:PA 20 28610

  • CAS :

    532-40-1

  • Molecular Formula : C12H18ClN4O4PS

  • Molecular Weight : 380.79

PA STI 082711

Thiamine-[13C4] Hydrochloride


  • Catalogue No.:PA STI 082711

  • CAS :

    1257525-77-1

  • Molecular Formula : C813C4H18Cl2N4OS

  • Molecular Weight : 341.23

PAI 20 009100

5-Acetoxy-3-chloro-2-pentanone

5-Acetoxy-3-chloro-2-pentanone


  • Catalogue No.:PAI 20 009100

  • CAS :

    13051-49-5

  • Molecular Formula : C7H11ClO3

  • Molecular Weight : 178.61

PA 20 0281000

4-Amino-5-pyrimidinemethylamine

4-Amino-5-pyrimidinemethylamine


  • Catalogue No.:PA 20 0281000

  • CAS :

    103694-27-5

  • Molecular Formula : C5H8N4

  • Molecular Weight : 124.15

PA 20 0281001

Thiamine benzoate hydrochloride

Thiamine benzoate hydrochloride


  • Catalogue No.:PA 20 0281001

  • CAS :

    1052-32-0

  • Molecular Formula : C19H22Cl2N4O2S

  • Molecular Weight : 441.37

PA 20 0281002

N-(2-Cyano-3-hydroxy-2-propenyl)formamide monosodium salt

N-(2-Cyano-3-hydroxy-2-propenyl)formamide monosodium salt


  • Catalogue No.:PA 20 0281002

  • CAS :

    106030-08-4

  • Molecular Formula : C5H5N2NaO2

  • Molecular Weight : 148.10

PAI 20 009110

4-Amino-5-cyano-2-methylpyrimidine

4-Amino-5-cyano-2-methylpyrimidine


  • Catalogue No.:PAI 20 009110

  • CAS :

    698-29-3

  • Molecular Formula : C6H6N4

  • Molecular Weight : 134.14

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PAI 20 009120

4-Amino-2-methylpyrimidine-5-carbaldehyde

4-Amino-2-methylpyrimidine-5-carbaldehyde


  • Catalogue No.:PAI 20 009120

  • CAS :

    73-68-7

  • Molecular Formula : C6H7N3O

  • Molecular Weight : 137.14

PAI 20 009130

5-(Chloromethyl)-2-methylpyrimidin-4-amine

5-(Chloromethyl)-2-methylpyrimidin-4-amine


  • Catalogue No.:PAI 20 009130

  • CAS :

    189745-28-6

  • Molecular Formula : C6H8ClN3

  • Molecular Weight : 157.6

PA 20 0281003

4-Amino-5-hydroxymethyl-2- methylpyrimidine Hydrochloride

4-Amino-5-hydroxymethyl-2- methylpyrimidine Hydrochloride


  • Catalogue No.:PA 20 0281003

  • CAS :

    13100-57-7

  • Molecular Formula : C6H10ClN3O

  • Molecular Weight : 175.62

PA 20 0281004

2-(3-((4-Amino-2-methylpyrimidin-5-yl)methyl)-4-methylthiazol-3-ium-5-yl)ethyl hydrogen phosphate

2-(3-((4-Amino-2-methylpyrimidin-5-yl)methyl)-4-methylthiazol-3-ium-5-yl)ethyl hydrogen phosphate


  • Catalogue No.:PA 20 0281004

  • CAS :

    495-23-8

  • Molecular Formula : C12H17N4O4PS

  • Molecular Weight : 344.33

PA 20 0281005

5-(Methoxymethyl)-2-methylpyrimidin-4-amine

5-(Methoxymethyl)-2-methylpyrimidin-4-amine


  • Catalogue No.:PA 20 0281005

  • CAS :

    769-82-4

  • Molecular Formula : C7H11N3O

  • Molecular Weight : 153.19

PAI 20 009131

Methyl 4-aminopyrimidine-5-carboxylate

Methyl 4-aminopyrimidine-5-carboxylate


  • Catalogue No.:PAI 20 009131

  • CAS :

    714975-53-8

  • Molecular Formula : C6H7N3O2

  • Molecular Weight : 153.14

PA 20 0281006

Cocarboxylase Tetrahydrate

Cocarboxylase Tetrahydrate


  • Catalogue No.:PA 20 0281006

  • CAS :

    68684-55-9

  • Molecular Formula : C12H26N4O11P2S

  • Molecular Weight : 496.36

PA 20 0281007

2,3-bis((4-Amino-2-methylpyrimidin-5-yl)methoxy)propane-1-thiol

2,3-bis((4-Amino-2-methylpyrimidin-5-yl)methoxy)propane-1-thiol


  • Catalogue No.:PA 20 0281007

  • CAS :

    NA

  • Molecular Formula : C15H22N6O2S

  • Molecular Weight : 350.44

PA 20 0281008

1-((4-Amino-2-methylpyrimidin-5-yl)methoxy)-3-mercaptopropan-2-ol

1-((4-Amino-2-methylpyrimidin-5-yl)methoxy)-3-mercaptopropan-2-ol


  • Catalogue No.:PA 20 0281008

  • CAS :

    NA

  • Molecular Formula : C9H15N3O2S

  • Molecular Weight : 229.3

PA 20 0281010

Pyrithiamine

Pyrithiamine


  • Catalogue No.:PA 20 0281010

  • CAS :

    534-64-5

  • Molecular Formula : C14H20Br2N4O

  • Molecular Weight : 420.15

PA IPRST043

Thiamine Mononitrate (IPRST043)

Thiamine Mononitrate (IPRST043)


  • Catalogue No.:PA IPRST043

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA IMPT039

Thiamine Impurity A (Thioxothiamine) (IMPT039)

Thiamine Impurity A (Thioxothiamine) (IMPT039)


  • Catalogue No.:PA IMPT039

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA IMPT015

Thiamine Impurity C (IMPT015)

Thiamine Impurity C (IMPT015)


  • Catalogue No.:PA IMPT015

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 20 0281014

4-Amino-5-aminomethyl-2-methylpyrimidine Hydrochloride

4-Amino-5-aminomethyl-2-methylpyrimidine Hydrochloride


  • Catalogue No.:PA 20 0281014

  • CAS :

    1195-07-9

  • Molecular Formula : C6H11ClN4

  • Molecular Weight : 174.63