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Thermo Scientific Chemicals L(-)-Proline, 99+%

L-Proline CAS 147-85-3, (synonym: (S)-Pyrrolidine-2-carboxylic acid) is a nonessential amino acid and building block of proteins that has applications such as acting as catalyst in chemical reactions.

Chemical Identifiers

CAS 147-85-3
Molecular Formula C5H9NO2
Molecular Weight (g/mol) 115.13
MDL Number MFCD00064318
InChI Key ONIBWKKTOPOVIA-UHFFFAOYNA-N
Synonym l-proline, proline, l---proline, s-pyrrolidine-2-carboxylic acid, 2-pyrrolidinecarboxylic acid, --proline, --s-proline, 2s-pyrrolidine-2-carboxylic acid, prolinum, h-pro-oh
PubChem CID 145742
ChEBI CHEBI:17203
SMILES OC(=O)C1CCCN1
View More Specs

Description

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

General description
• L-Proline is an amino acid that is found as a component of various proteins.

Application
• L-Proline is used as asymmetric catalyst in organic synthesis and asymmetric aldol cyclization
• It is also used along with ninhydrin in chromatography
• It is involved in the Michael addition of dimethyl malonate to alfa-beta-unsaturated aldehydes
• It is used in pharmaceutical and biotechnological applications due to its osmoprotactant property
• It is precursor of hydroxyproline in collage and involved in proper functioning of joint and tendons

Specifications

Chemical Identifiers

147-85-3
115.13
ONIBWKKTOPOVIA-UHFFFAOYNA-N
145742
OC(=O)C1CCCN1
C5H9NO2
MFCD00064318
l-proline, proline, l---proline, s-pyrrolidine-2-carboxylic acid, 2-pyrrolidinecarboxylic acid, --proline, --s-proline, 2s-pyrrolidine-2-carboxylic acid, prolinum, h-pro-oh
CHEBI:17203

Specifications

200ppm max.
1ppm max.
White
10ppm max.
C5H9NO2
10ppm max.
22, 2
0.3% max. (105°C, 3 hrs)
0.5% max. (TLC)
ONIBWKKTOPOVIA-UHFFFAOYNA-N
(2S)-pyrrolidine-2-carboxylic acid
115.13
CHEBI:17203
115.13
99.0 to 101.0%
1.3500g/mL
Crystalline Powder or Crystals
147-85-3
5.5 to 7 (2.5% soln. at 25°C)
200ppm max.
99+%
Authentic
MFCD00064318
06,492; 08,421; 09,393; 10,331; 11,446; 13,292
15, 7895
l-proline, proline, l---proline, s-pyrrolidine-2-carboxylic acid, 2-pyrrolidinecarboxylic acid, --proline, --s-proline, 2s-pyrrolidine-2-carboxylic acid, prolinum, h-pro-oh
OC(=O)C1CCCN1
-84.5° to -86.8° (20°C, 589nm) (c=4, H2O)
145742
200ppm max.
95% min. (c=10, H2O, 430nm) 1cm cell
0.1% max.
− 85.50 (20.00°C c=4,H2O)
L(-)-Proline
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