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Name L-Hydroxyproline

Molecular formular C5H9NO3

Molecular weight 131.13

CAS No. 51-35-4

面议

Specification

L-Hydroxyproline

AJI92

Description

White crystals or crystalline powder

Identification

Conforms to the IR Spectrum standard

Assay

98.5~101.0%

pH

5.0 ~ 6.5

Transmittance

≥95.0%

Loss on drying

≤0.20%

Residue on ignition

≤0.10%

Chloride

≤0.020%

Heavy Metals

≤10ppm

Iron

≤10ppm

Sulfate

≤0.020%

Arsenic

≤1ppm

Ammonium

≤0.02%

Other amino acids

Conforms to the standard

Specific Rotation

-74.0° ~ -77.0°





Specification


L-Hydroxyproline

AJI92

Description

White crystals or crystalline powder

Identification

Conforms to the IR Spectrum standard

Assay

98.5~101.0%

pH

5.0 ~ 6.5

Transmittance

≥95.0%

Loss on drying

≤0.20%

Residue on ignition

≤0.10%

Chloride

≤0.020%

Heavy Metals

≤10ppm

Iron

≤10ppm

Sulfate

≤0.020%

Arsenic

≤1ppm

Ammonium

≤0.02%

Other amino acids

Conforms to the standard

Specific Rotation

-74.0° ~ -77.0°




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