D-PRO-Oh; D-Proline; (2S) -2-Pyrrolidinecarboxylic Acid; (S) -2-Carboxypyrrolidine; CAS344-25-2

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Product origin: Changsha, Hunan, China
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Description
D-Pro-OH;D-Proline;(2S)-2-Pyrrolidinecarboxylic acid;(S)-2-Carboxypyrrolidine;CAS 344-25-2
 
 
D-Proline Chemical Properties
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. Inert atmosphere,Room Temperature
pka1.952(at 25ºC)
form Powder
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
BRN 80811
InChIKeyONIBWKKTOPOVIA-SCSAIBSYSA-N
CAS DataBase Reference344-25-2(CAS DataBase Reference)
EPA Substance Registry SystemD-Proline (344-25-2)
 
Safety Information
Hazard Codes Xi,Xn
Risk Statements 22-36/37/38
Safety Statements 22-24/25-36/37/39-26
WGK Germany 3
3-10
Hazard Note Irritant
TSCA Yes
HS Code 29339990
D-Proline Usage And Synthesis
Chemical PropertiesWhite to off-white powder
UsesUsed in the synthesis of (R)-(+)-N-Boc-Pipecolic Acid, (S)-(-)-Coniine, (S)-(+)-Pelletierine, (+)-.beta.-Conhydrine, and (S)-(-)-Ropivacaine and forma l synthesis of (-)-Lasubine II and (+)-Cermizine C.
UsesLabelled D-Proline Lasubine II and (+)-Cermizine C.
Usesproline is a skin-conditioning agent. An amino acid found in the collagen molecule.
DefinitionChEBI: 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


Company Informations:

Hunan Yunbang Pharmaceutical Co., Ltd. (Yunbangpharm) located in Changsha High-tech Industrial Park, Hunan. It is a high-tech enterprise specializing in the research and development, production and sales of Pharmaceutical raw materials, Pharmaceutical intermediates(API) and Fine chemicals. Based in China, Yunbangpharm has been providing suitable solutions for many domestic,foreign pharmaceutical companies and traders. Excellent quality, good reputation and authentic price have won the praise of the majority of customers.
The company adheres to the corporate tenet of "We do not produce medicines, but help pharmaceutical companies make good medicines".

We can provide customers with customized processing, research and development services;
We can develop high-end Pharmaceutical and chemical products with high technical difficulties,high barriers and unique production processes;
We can provide 100 grams Grade, kilograms, and hundred kilograms of raw material pharmaceutical intermediates and other products.
We can perform -100°C to 300°C reaction.

R&D strength is the company's core competitiveness.Yunbangpharm has maintains a good cooperation relationship with many Universities and Research institutes locally, which can quickly transform R&D results into industrial production.

Our goal : To achieve the integrated upgrade of Pharmaceutical intermediates, raw materials and high-end chemical products, adhere to "serving pharmaceutical companies, creating our brands" to provide customers with high-quality and low-cost pharmaceutical and chemical products, realizing Win-win cooperation and common development.
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