L-色氨酸 (CAS No.73-22-3)
- 物化性质
- 白色或类白色结晶性粉末，无臭，味微苦。微溶于水，不溶于乙醇、乙醚，溶于稀酸或稀碱。熔点约280-285°C（分解）。比旋度[a]D20 -30.0°~-32.5°。
- 含量
- ≥99.0%
English description（英文原文，共 945 字符）
Product Name:L-Tryptophan
English Name:L-Tryptophan
CAS No.:73-22-3
Aliases:L-2-Amino-3-indolylpropionic acid, L-α-Amino-3-indolepropionic acid
Molecular Formula:C11H12N2O2
Physical Properties:White or off-white crystalline powder, odorless, slightly bitter taste. Slightly soluble in water, insoluble in ethanol and ether, soluble in dilute acid or alkali. Melting point approx. 280-285°C (decomposition). Specific rotation [a]D20 -30.0°~-32.5°.
Uses:L-Tryptophan is one of the essential amino acids for humans. It is used as a nutritional supplement and widely applied in pharmaceuticals, food and feed additives. In medicine it is used in amino acid infusions and compound amino acid preparations; in food it serves as a nutritional fortifier; in feed it promotes animal growth.
Technical Specifications:
Assay: ≥99.0%
Specific rotation [a]D20: -30.0°~-32.5°
Loss on drying: ≤0.20%
Residue on ignition: ≤0.10%
Heavy metals: ≤10ppm
English Name:L-Tryptophan
CAS No.:73-22-3
Aliases:L-2-Amino-3-indolylpropionic acid, L-α-Amino-3-indolepropionic acid
Molecular Formula:C11H12N2O2
Physical Properties:White or off-white crystalline powder, odorless, slightly bitter taste. Slightly soluble in water, insoluble in ethanol and ether, soluble in dilute acid or alkali. Melting point approx. 280-285°C (decomposition). Specific rotation [a]D20 -30.0°~-32.5°.
Uses:L-Tryptophan is one of the essential amino acids for humans. It is used as a nutritional supplement and widely applied in pharmaceuticals, food and feed additives. In medicine it is used in amino acid infusions and compound amino acid preparations; in food it serves as a nutritional fortifier; in feed it promotes animal growth.
Technical Specifications:
Assay: ≥99.0%
Specific rotation [a]D20: -30.0°~-32.5°
Loss on drying: ≤0.20%
Residue on ignition: ≤0.10%
Heavy metals: ≤10ppm
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常见问题
- L-色氨酸的 CAS 号是多少？
- L-色氨酸的 CAS 号是 73-22-3。
- L-色氨酸的分子式和分子量是什么？
- L-色氨酸的分子式为 C11H12N2O2。
- L-色氨酸的英文名称是什么？
- L-色氨酸的英文名称为 L-Tryptophan。
- L-色氨酸还有哪些别名？
- L-色氨酸又称 L-2-氨基-3-吲哚基丙酸、L-α-氨基-3-吲哚丙酸。
- L-色氨酸有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条L-色氨酸供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- L-色氨酸的供应商主要分布在哪些地区？
- L-色氨酸的供应商主要分布在 上海市（1 条） 等地。
- L-色氨酸有哪些级别可选？
- 平台上L-色氨酸的供应级别包括 工业级。
- L-色氨酸的报价单位是什么？
- L-色氨酸的报价单位主要有 千克。
- 哪里可以查到L-色氨酸的价格？
- 掌上化工L-色氨酸产品页汇总了各供应商的最新报价与规格，地址：/chemicals/73-22-3/。部分供应商价格为电议，可通过页面上的询价功能直接获取。
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