L-valine|L-hydropyrrolic acid

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English name: L-Proline
Other names: L-hydropyrrolecarboxylic acid
CAS No.: 147-85-3
C5H9NO2= 115.13
Content: ≥99.0%
Specific optical rotation: -84.5 ~ -86.0o
PH: 5.9 ~ 6.9
Properties: white crystalline powder, odorless, slightly sweet. It is hygroscopic. The reaction with ninhydrin is yellow, and it is red when acidified by glacial acetic acid. Soluble in water and ethanol, insoluble in ether. Melting point 220-222 ° C (decomposition)
Uses: Biochemical and nutritional research. Preparation medium preservation: RT, protected from light

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