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Ningbo Inopha Biotec Ltd.
| 产品名称 Product name | L-组氨酸 L-Histidine | ||
| 生产日期/ Manufacturing date | 2025.10.19 | CAS No. | 71-00-1 |
| 报告日期/ Reporting date | 2025.11.05 | 批号/ Batch No. | HI223-202510901 |
| 有效期/ Expiry date | 2027.10.18 | 重量/ Quantity | |
| 检测项目 / Item | 检测标准 / Standard | 检测结果 / Result |
|---|---|---|
| 性状 Description | 白色结晶或结晶性粉末;无臭。 White crystals or crystalline powder, odorless. | 符合规定 Conforms |
| 鉴别 Identification | 本品的红外光吸收图谱应与标准图谱一致。 Compare the infrared absorption spectrum of the sample with that of the standard atlas. | 符合规定 Conforms |
| 溶液外观 Appearance of solution | 澄清无色 Clear and colorness | 符合规定 Conforms |
| 比旋度 Specific rotation [α]D20 (EP) | +11.4° ~ +12.4° | +11.6° |
| 比旋度 Specific rotation [α]D25 (USP) | +12.6° ~ +14.0° | +13.1° |
| 酸度 pH | 7.0 ~ 8.5 | 7.7 |
| 溶液的透光度 Transmittance | ≥98.0% | 99.7% |
| 氯化物 Chloride (Cl) | ≤ 200ppm | <200ppm |
| 硫酸盐 Sulfate (SO4) | ≤ 200ppm | <200ppm |
| 铵盐 Ammonium (NH4) | ≤ 0.02% | <0.02% |
| 铁盐 Iron (Fe) | ≤ 10ppm | <10ppm |
| 重金属 Heavy metals (Pb) | ≤ 10ppm | <10ppm |
| 砷盐 Arsebnic (As2O3) | ≤ 1ppm | <1ppm |
| 干燥失重 Loss on drying | ≤ 0.2% | 0.12% |
| 炽灼残渣 Residue on ignition (sulfated) | ≤ 0.1% | 0.05% |
| 有关物质(USP) Related substances (USP) | 单个未知杂质 Any other impurity ≤0.5%; 未知总杂质 Total other impurities ≤ 2.0% | 符合规定 Conforms |
| 有关物质(EP) Related substances (EP) | 单个未知杂质 Any other impurity ≤0.5% | 符合规定 Conforms |
| 含量(EP) Assay (EP) | 98.5% ~ 101.0% | 99.5% |
| 微生物限度 (需氧菌总数) Microbiological examination (Total aerobic microbial count) | ≤50 CFU/g | <50 CFU/g |
| 微生物限度 (霉菌和酵母菌总数) Microbiological examination (Total yeasts & mould count) | ≤ 10 CFU/g | <10 CFU/g |
| 细菌内毒素 Endotoxin | ≤ 20 EU/g | <20 EU/g |
| 检测结论/ Conclusion | 本品按照EP/USP标准检验,结果符合规定。 Agree with the specification of EP/USP. | |

Ningbo Inopha Biotec Ltd. | Website: www.inopha.com
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