Factory supply CAS 344-25-2 D-Pyrrolidine-2-carboxylic acid Used in synthetic medicine and food, feed additive.

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Factory supply CAS 344-25-2 D-Pyrrolidine-2-carboxylic acid Used in synthetic medicine and food, feed additive.
Factory supply CAS 344-25-2 D-Pyrrolidine-2-carboxylic acid Used in synthetic medicine and food, feed additive.
Factory supply CAS 344-25-2 D-Pyrrolidine-2-carboxylic acid Used in synthetic medicine and food, feed additive.
Factory supply CAS 344-25-2 D-Pyrrolidine-2-carboxylic acid Used in synthetic medicine and food, feed additive.
Factory supply CAS 344-25-2 D-Pyrrolidine-2-carboxylic acid Used in synthetic medicine and food, feed additive.
Factory supply CAS 344-25-2 D-Pyrrolidine-2-carboxylic acid Used in synthetic medicine and food, feed additive.

Factory supply CAS 344-25-2 D-Pyrrolidine-2-carboxylic acid Used in synthetic medicine and food, feed additive.

  • Item No.344-25-2
    MOQ1 Kilogram
Tag  sourcing
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If over 500pcs, mass production will start until pre-production sample has been approved.

Est. 7 days production

Quick Details
Place of Origin CN;SHN
Usage Animal Pharmaceuticals
Brand Name xigema
storage temp Store at RT.
alpha 84.75 °(c=4, H2O)
Model Number 344-25-2
pka 1.952(at 25℃)
CAS344-25-2
Color White to yellow to pale brown
density1.36
FormPowder
Melting point 223 °C (dec.)(lit.)
BRN80811
Refractive Index 85 ° (C=4, H2O)
Grade Standard Medicine Grade
Type Vitamins, Amino Acids and Coenzymes
CAS No. 344-25-2
Other Names H-D-PYRD(2)-OH 344-25-2
MFC5H9NO2
EINECS No. 206-452-7
Purity98%min

Packaging & Delivery

Selling Units:
Kilogram
Lead Time:
Quantity(Kilogram)1 - 1>1
Est. Time(days)15To be negotiated
Product Description

  company

Basic Information

 

 

product Name:D-Pyrrolidine-2-carboxylic acid

CAS Number : 344-25-2
Bei lstein Registry Number: 1723527                                                344-25-2.gif  
EEC No: 2007359
2, Synonyms: (R)-Pyrrolidine-2-carboxylic acid
Formula: C5H9NO2
Molecular Weight: 115.13
Description: A white to off-white powder that is soluble in water .
Melting point: 220 °C to 223 °C

 

 Function

 

USE:D-Pyrrolidine-2-carboxylic acid344-25-2, Used in the synthesis of (R)-(+)-N-Boc-Pipecolic Acid, (S)-(-)-Coniine, (S)-(+)-Pelletierine, (+)-.beta.-Conhydrine,  and formal synthesis of (-)-Lasubine II and (+)-Cermizine C,Labelled D-Proline Lasubine II and (+)-Cermizine C.

Test Report

 

ItemStandardTest Results

Identification

A.H-NMR:Comply with the structure

Complies

B.LC-MS:Comply with the structure

Complies

C.The IR spectrum of sample should be identical with that of reference standard;

Complies

D.HPLC-ESI-MS

The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.

Complies

Crystallinity

meets the requirements.

Complies

Loss on drying

≤2.0%

0.19%

Heavy metals

≤10 ppm

<10ppm

Water

≤1.0%

0.1%

Sulphated ash

≤0.5%, determined on 1.0 g.

0.009%

Related substances

Unspecified impurities: for each impurity

≤0.10%

<0.10%

Total Impurity

≤0.5%

0.18%

Purity

≥99.0%

99.7%

Assay

99.0%~101.0% (anhydrous substance).

99.8%

Microbiological Analysis

Total plate count

≤1000cfu/g

Complies

Yeast and Moulds

≤100cfu/g

Complies

E. Coli.

Absent

Negative

Salmonella

Absent

Negative

S.aureus

Absent

Negative

Storage

Preserve in well-closed, light-resistant and airtight containers.

Complies

 
 
 
Packaging & Shipping

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Company Information

Qingdao Sigma chemical Co., Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
 
The aim of Qingdao Sigma chemical Co., Ltd is a quality policy that"Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.

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