Proline-impurities | Pharmaffiliates

proline and its Impurities

An α-amino acid which is a derivative of L-glutamate. Proline is used in the biosynthesis of proteins. It is a precursor (with vitamin C) for collagen, and also helps in healing wounds.Reference standards of Proline API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 30 results for proline Impurities
PA 43 21530

trans-4-Hydroxy-L-proline Methyl Ester Hydrochloride

trans-4-Hydroxy-L-proline Methyl Ester Hydrochloride


  • Catalogue No.:PA 43 21530

  • CAS :

    40216-83-9

  • Molecular Formula : C6H12ClNO3

  • Molecular Weight : 181.62

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PA 43 21540

N-(Benzyloxycarbonyl)-4-hydroxyproline Methyl Ester

N-(Benzyloxycarbonyl)-4-hydroxyproline Methyl Ester


  • Catalogue No.:PA 43 21540

  • CAS :

    64187-48-0

  • Molecular Formula : C14H17NO5

  • Molecular Weight : 279.29

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PA 43 21560

L-Alanyl-L-proline

L-Alanyl-L-proline


  • Catalogue No.:PA 43 21560

  • CAS :

    13485-59-1

  • Molecular Formula : C8H14N2O3

  • Molecular Weight : 186.21

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PA 43 0211001

L-Prolinamide

L-Prolinamide


  • Catalogue No.:PA 43 0211001

  • CAS :

    7531-52-4

  • Molecular Formula : C5H10N2O

  • Molecular Weight : 114.15

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PA 43 21510

H-Hyp(tBu)-OH

H-Hyp(tBu)-OH


  • Catalogue No.:PA 43 21510

  • CAS :

    79775-07-8

  • Molecular Formula : C9H17NO3

  • Molecular Weight : 187.24

PA 43 21520

Z-Hyp(Tbu)-OH

Z-Hyp(Tbu)-OH


  • Catalogue No.:PA 43 21520

  • CAS :

    85201-91-8

  • Molecular Formula : C17H23NO5

  • Molecular Weight : 321.37

PA 43 21550

Z-Hyp(tBu)-OMe

Z-Hyp(tBu)-OMe


  • Catalogue No.:PA 43 21550

  • CAS :

    146951-99-7

  • Molecular Formula : C18H25NO5

  • Molecular Weight : 335.39

PA STI 062480

(4R)-1-Methyl-4-propyl-L-proline-d3 Methyl Ester

(4R)-1-Methyl-4-propyl-L-proline-d3 Methyl Ester


  • Catalogue No.:PA STI 062480

  • CAS :

    1246815-09-7

  • Molecular Formula : C10H16D3NO2

  • Molecular Weight : 188.28

PA STI 051050

cis-4-Hydroxy-L-proline-d5 (Mixture of Diastereomers)

cis-4-Hydroxy-L-proline-d5 (Mixture of Diastereomers)


  • Catalogue No.:PA STI 051050

  • CAS :

    1356019-56-1

  • Molecular Formula : C5H4D5NO3

  • Molecular Weight : 136.16

PA STI 051060

trans-4-Hydroxy-L-proline-d3

trans-4-Hydroxy-L-proline-d3


  • Catalogue No.:PA STI 051060

  • CAS :

    1356016-86-8

  • Molecular Formula : C5H6D3NO3

  • Molecular Weight : 134.15

PA STI 068710

N-Nitroso-D,L-proline-d3

N-Nitroso-D,L-proline-d3


  • Catalogue No.:PA STI 068710

  • CAS :

    65807-08-1

  • Molecular Formula : C5H5D3N2O3

  • Molecular Weight : 147.15

PA STI 070690

5-Oxo-DL-proline-d5

5-Oxo-DL-proline-d5


  • Catalogue No.:PA STI 070690

  • CAS :

    352431-30-2

  • Molecular Formula : C5H2D5NO3

  • Molecular Weight : 134.14

PA STI 070700

5-Oxo-L-proline-d5

5-Oxo-L-proline-d5


  • Catalogue No.:PA STI 070700

  • CAS :

    1086136-22-2

  • Molecular Formula : C5H2D5NO3

  • Molecular Weight : 134.14

PA STI 075660

(trans)-4-Propyl-1-methyl-L-proline-d3

(trans)-4-Propyl-1-methyl-L-proline-d3


  • Catalogue No.:PA STI 075660

  • CAS :

    1246816-92-1

  • Molecular Formula : C9H14D3NO2

  • Molecular Weight : 174.26

PA 43 21570

N-Acetyl-L-proline

N-Acetyl-L-proline


  • Catalogue No.:PA 43 21570

  • CAS :

    68-95-1

  • Molecular Formula : C7H11NO3

  • Molecular Weight : 157.17

PA 43 21580

L-Alanyl-L-proline tert-Butyl Ester

L-Alanyl-L-proline tert-Butyl Ester


  • Catalogue No.:PA 43 21580

  • CAS :

    29375-30-2

  • Molecular Formula : C12H22N2O3

  • Molecular Weight : 242.31

PA 43 21590

2-Allyl-6-isopropylphenol

2-Allyl-6-isopropylphenol


  • Catalogue No.:PA 43 21590

  • CAS :

    3354-56-1

  • Molecular Formula : C12H16O

  • Molecular Weight : 176.25

PA 43 21600

N-Allylphenothiazine

N-Allylphenothiazine


  • Catalogue No.:PA 43 21600

  • CAS :

    20962-92-9

  • Molecular Formula : C15H13NS

  • Molecular Weight : 239.34

PA EPP3350000

Proline (P3350000)

Proline (P3350000)


  • Catalogue No.:PA EPP3350000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1568506

L-Proline (1568506)

L-Proline (1568506)


  • Catalogue No.:PA USP1568506

  • CAS :

    147-85-3

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 43 21610

(R)-Alpha-allyl-proline, HCl

(R)-Alpha-allyl-proline, HCl


  • Catalogue No.:PA 43 21610

  • CAS :

    177206-69-8

  • Molecular Formula : C8H14CINO2

  • Molecular Weight : 191.66

PA 43 21620

(S)-Alpha-allyl-proline, HCl

(S)-Alpha-allyl-proline, HCl


  • Catalogue No.:PA 43 21620

  • CAS :

    129704-91-2

  • Molecular Formula : C8H14CINO2

  • Molecular Weight : 191.66

PA 43 21630

Dl-alpha-methylproline hbr

Dl-alpha-methylproline hbr


  • Catalogue No.:PA 43 21630

  • CAS :

    1346136-61-5

  • Molecular Formula : C6H12BrNO2

  • Molecular Weight : 210.07

PA 43 0211000

Methyl Pyrrolidine-2-carboxylate

Methyl Pyrrolidine-2-carboxylate


  • Catalogue No.:PA 43 0211000

  • CAS :

    52183-82-1

  • Molecular Formula : C6H11NO2

  • Molecular Weight : 129.16

PA 43 0211002

tert-Butoxycarbonyl-D-proline

tert-Butoxycarbonyl-D-proline


  • Catalogue No.:PA 43 0211002

  • CAS :

    37784-17-1

  • Molecular Formula : C10H17NO4

  • Molecular Weight : 215.25

PA 43 0211004

N-Nitroso-D-proline

N-Nitroso-D-proline


  • Catalogue No.:PA 43 0211004

  • CAS :

    42022-03-7

  • Molecular Formula : C5H8N2O3

  • Molecular Weight : 144.13

PA 43 0211005

(1S,3aR,6aS)-Hexahydro-cyclopenta[c]pyrrole-1,2(1H)-dicarboxylic Acid 2-(tert-Butyl) Ester 1-methyl ester

(1S,3aR,6aS)-Hexahydro-cyclopenta[c]pyrrole-1,2(1H)-dicarboxylic Acid 2-(tert-Butyl) Ester 1-methyl ester


  • Catalogue No.:PA 43 0211005

  • CAS :

    1042330-85-7

  • Molecular Formula : C14H23NO4

  • Molecular Weight : 269.34

PA 43 0211003

N-Glycylproline

N-Glycylproline


  • Catalogue No.:PA 43 0211003

  • CAS :

    704-15-4

  • Molecular Formula : C7H12N2O3

  • Molecular Weight : 172.18

PA 43 0211006

Boc-L-cis-4-Azidoproline Methyl Ester

Boc-L-cis-4-Azidoproline Methyl Ester


  • Catalogue No.:PA 43 0211006

  • CAS :

    84520-68-3

  • Molecular Formula : C11H18N4O4

  • Molecular Weight : 270.29

PA STI 089210

(S)-Pyrrolidine-2-carboxylic-2,3,3,4,4,5,5-d7 Acid

(S)-Pyrrolidine-2-carboxylic-2,3,3,4,4,5,5-d7 Acid


  • Catalogue No.:PA STI 089210

  • CAS :

    39063-89-3

  • Molecular Formula : C5H2D7NO2

  • Molecular Weight : 122.17