SICHUAN TONGSHENG AMINO ACID CO.,LTD
Reference Standard
Product Name: Ac- Glu-OH
CAS#: 1188-37-0
Synonyms: N-Acetyl-L-Glutamic acid
Molecular Formula: C7H11NO5
Molecular Weight: 189.17
Reference standard: AJI92
Specifications:
Item |
Standard |
Appearance |
White crystals or crystalline powder |
Specific rotation[α]20/D(C=2,H2O) |
-14.0°to-17.0 |
Transmittance |
Not less than 95.0% |
Heavy metal(Pb) |
Not more than 20ppm |
Arsenic(As2O3) |
Not more than 2ppm |
Other amino acids |
Chromatographically not detectable |
Loss on drying |
Not more than 0.50% |
Residue on ignition |
Not more than 0.30% |
Assay |
98.0to102.0% |
pH |
1.7to2.8 |
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