| ≥1 piece |
1.D-Histidine is our major prodct with high quality
2.CAS# 351-50-8
3.D-His amino Acids
4.AJI92
5.Purity>98.5%
amino acid
Product Name: D-His-OH CAS#: 351-50-8
Synonyms:D-Histidine Molecular Formula: C6H9N3O2
Molecular Weight: 155.16
Purity>98.5%
Specifications:
| Item | Standard | Analysis data |
| Appearance | White to off-white powder | conforms |
| Specific rotation[α]20/D (C=1 in H 2 O) | +38° + 2° | 38.9° |
| State of solution (Transmittance) | Not less than 98.0% | 98.5% |
| Chloride (Cl) | Not more than 0.020% | 0.008% |
| Sulfate(SO4) | Not more than 0.020% | 0.005% |
| Ammonium (NH4) | Not more than 0.020% | <0.02% |
| Heavy metal(Pb) | Not more than 10ppm | <10ppm |
| Loss on drying | Not more than 0.20% | 0.18% |
| Residue on ignition(sulfated) | Not more than 0.10% | 0.06% |
| Assay | Not less than 99% | 99.1% |
| CAS No.: 351-50-8 | Other Names: D-Histidine | MF: C6H9N3O2 |
| EINECS No.: 206-513-8 | Place of Origin: Sichuan China (Mainland) | Type: Acidity Regulators |
| Brand Name: Tongsheng | Model Number: AJI92 | Purity: 98.5% |