ChemicalBook--->CAS DataBase List--->344-25-2

344-25-2

344-25-2 Structure

344-25-2 Structure
IdentificationMore
[Name]

D-Pyrrolidine-2-carboxylic acid
[CAS]

344-25-2
[Synonyms]

D-2-PYRROLIDINECARBOXYLIC ACID
D-PRO
D(+)-PROLINE
D-PROLINE
D-PYRROLIDINE-2-CARBOXYLIC ACID
H-D-PRO-OH
H-D-PYRD(2)-OH
(R)-(+)-PROLINE
(R)-PYRROLIDINE-2-CARBOXYLIC ACID
(2R)-Pyrrolidine-2-carboxylic acid
D-PROLINE, 99+% (98% EE/GLC)
D-Proline,99%
H-D-PRO-OH UPS24 (IN BULK QUANTITY)
D-(+)-Prolin
Proline
Glycinate Fumasuan Salt
D-(+)-PROLINE ((R)-(+)-PROLINE)
D-PROLINE extrapure
[EINECS(EC#)]

206-452-7
[Molecular Formula]

C5H9NO2
[MDL Number]

MFCD00064317
[Molecular Weight]

115.13
[MOL File]

344-25-2.mol
Chemical PropertiesBack Directory
[Appearance]

White to off-white powder
[Melting point ]

223 °C (dec.) (lit.)
[alpha ]

84.75 º (c=4, H2O)
[Boiling point ]

215.41°C (rough estimate)
[density ]

1.36
[refractive index ]

85 ° (C=4, H2O)
[storage temp. ]

Store at RT.
[solubility ]

Methanol (Slightly), Water (Sparingly)
[form ]

Powder
[pka]

1.952(at 25℃)
[color ]

White to yellow to pale brown
[optical activity]

[α]22/D +85.0°, c = 4 in H2O
[Water Solubility ]

soluble >1000 g/L (20 ºC)
[Sensitive ]

Hygroscopic
[Detection Methods]

Rotation,T,NMR
[BRN ]

80811
[InChIKey]

ONIBWKKTOPOVIA-SCSAIBSYSA-N
[LogP]

-0.060 (est)
[Uses]

proline is a skin-conditioning agent. An amino acid found in the collagen molecule.
[CAS DataBase Reference]

344-25-2(CAS DataBase Reference)
[EPA Substance Registry System]

344-25-2(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xi,Xn
[Risk Statements ]

R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
[WGK Germany ]

3
[F ]

3-10
[Hazard Note ]

Irritant
[TSCA ]

Yes
[HS Code ]

29339900
Raw materials And Preparation ProductsBack Directory
[Raw materials]

L-Proline
[Preparation Products]

(1R,2R)-N-BOC-1-AMINO-2-PHENYLCYCLOPROPANECARBOXYLIC ACID-->N-Boc-D-proline-->Fmoc-Pro-OH-->(S)-3-Amino-1-N-Boc-piperidine-->2-Pyrrolidinecarbonitrile,(2R)--->(R)-(-)-1-(2-Pyrrolidinylmethyl)pyrrolidine-->Pamiparib-->BOC-D-PRO-OSU-->D-1-N-BOC-PROLINAMIDE-->METHYL-R-N-(METHOXY CARBONYL)-PROLINE ESTER-->1-(CHLOROACETYL)-D-PROLINE ETHYL ESTER-->(R)-1-Methacryloylpyrrolidine-2-carboxylic acid
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

D-Pyrrolidine-2-carboxylic acid(344-25-2).msds
Hazard InformationBack Directory
[Chemical Properties]

White to off-white powder
[Occurrence]

D-proline is an isomer of the naturally occurring amino acid, L-Proline. D-amino acids have been found in relatively high abundance in human plasma and saliva. These amino acids may be of bacterial origin, but there is also evidence that they are endogenously produced through amino acid racemase activity.
[Definition]

ChEBI: The D-enantiomer of proline.
[Synthesis Reference(s)]

Journal of the American Chemical Society, 71, p. 2818, 1949 DOI: 10.1021/ja01176a065
Tetrahedron Letters, 28, p. 6469, 1987 DOI: 10.1016/S0040-4039(00)96890-4
[storage]

Store at -20°C
Spectrum DetailBack Directory
[Spectrum Detail]

D-Proline(344-25-2)MS
D-Proline(344-25-2)1HNMR
D-Proline(344-25-2)13CNMR
D-Proline(344-25-2)IR1
D-Proline(344-25-2)IR2
D-Proline(344-25-2)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

D(+)-Proline, 99+%(344-25-2)
[Alfa Aesar]

D-Proline, 99%(344-25-2)
[Sigma Aldrich]

344-25-2(sigmaaldrich)
[TCI AMERICA]

D-Proline,>98.0%(T)(344-25-2)
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