Factory supply CAS 344-25-2 D-Pyrrolidine-2-carboxylic acid Used in synthetic medicine and food, feed additive.
≥ 1000 Pieces
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If over 500pcs, mass production will start until pre-production sample has been approved.
Est. 7 days production
|Place of Origin||CN;SHN|
|storage temp||Store at RT.|
|alpha||84.75 °(c=4, H2O)|
|Color||White to yellow to pale brown|
|Melting point||223 °C (dec.)(lit.)|
|Refractive Index||85 ° (C=4, H2O)|
|Grade Standard||Medicine Grade|
|Type||Vitamins, Amino Acids and Coenzymes|
|Other Names||H-D-PYRD(2)-OH 344-25-2|
Packaging & Delivery
- Selling Units:
- Lead Time:
Quantity(Kilogram) 1 - 1 >1 Est. Time(days) 15 To be negotiated
product Name:D-Pyrrolidine-2-carboxylic acid
CAS Number : 344-25-2
Bei lstein Registry Number: 1723527
EEC No: 2007359
2, Synonyms: (R)-Pyrrolidine-2-carboxylic acid
Molecular Weight: 115.13
Description: A white to off-white powder that is soluble in water .
Melting point: 220 °C to 223 °C
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.
A.H-NMR:Comply with the structure
B.LC-MS:Comply with the structure
C.The IR spectrum of sample should be identical with that of reference standard;
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.
meets the requirements.
Loss on drying
≤0.5%, determined on 1.0 g.
Unspecified impurities: for each impurity
99.0%~101.0% (anhydrous substance).
Total plate count
Yeast and Moulds
Preserve in well-closed, light-resistant and airtight containers.
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