D-色氨酸 (CAS No.153-94-6)
- 物化性质
- D-色氨酸是色氨酸的D-构型异构体，分子量为204.23。白色结晶粉末，微溶于水，易溶于稀盐酸和稀碱溶液，不溶于乙醇、乙醚。熔点282~285°C（分解）。在空气和光照下相对稳定，应密封避光保存。
- 技术参数
- 含量（HPLC）≥99%
- 外观
- 白色结晶粉末
- 熔点
- 282~285°C（分解）
English description（英文原文，共 1062 字符）
Product Name:D-Tryptophan
English Name:D-Tryptophan
CAS No.:153-94-6
Aliases:D-Tryptophane, (R)-2-Amino-3-(1H-indol-3-yl)propanoic acid
Molecular Formula:C11H12N2O2
Physical Properties:D-Tryptophan is the D-isomer of tryptophan with molecular weight 204.23. It appears as white crystalline powder, slightly soluble in water, readily soluble in dilute hydrochloric acid and dilute alkali solutions, insoluble in ethanol and diethyl ether. Melting point 282–285°C (decomposition). It is relatively stable in air and light, and should be stored in airtight containers away from light.
Uses:Used in biochemical research, as a chiral amino acid raw material and pharmaceutical synthesis intermediate; it can be applied in peptide synthesis, microbial culture medium preparation, and preparation of chiral catalysts for asymmetric synthesis.
Technical Specifications:
Assay (HPLC): ≥99%
Appearance: white crystalline powder
Melting point: 282–285°C (decomposition)
Specific rotation [α]D20: +31° (c=1, H2O)
Loss on drying: ≤0.5%
Residue on ignition: ≤0.1%
English Name:D-Tryptophan
CAS No.:153-94-6
Aliases:D-Tryptophane, (R)-2-Amino-3-(1H-indol-3-yl)propanoic acid
Molecular Formula:C11H12N2O2
Physical Properties:D-Tryptophan is the D-isomer of tryptophan with molecular weight 204.23. It appears as white crystalline powder, slightly soluble in water, readily soluble in dilute hydrochloric acid and dilute alkali solutions, insoluble in ethanol and diethyl ether. Melting point 282–285°C (decomposition). It is relatively stable in air and light, and should be stored in airtight containers away from light.
Uses:Used in biochemical research, as a chiral amino acid raw material and pharmaceutical synthesis intermediate; it can be applied in peptide synthesis, microbial culture medium preparation, and preparation of chiral catalysts for asymmetric synthesis.
Technical Specifications:
Assay (HPLC): ≥99%
Appearance: white crystalline powder
Melting point: 282–285°C (decomposition)
Specific rotation [α]D20: +31° (c=1, H2O)
Loss on drying: ≤0.5%
Residue on ignition: ≤0.1%
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常见问题
- D-色氨酸的 CAS 号是多少？
- D-色氨酸的 CAS 号是 153-94-6。
- D-色氨酸的分子式和分子量是什么？
- D-色氨酸的分子式为 C11H12N2O2。
- D-色氨酸的英文名称是什么？
- D-色氨酸的英文名称为 D-Tryptophan。
- D-色氨酸还有哪些别名？
- D-色氨酸又称 D-色胺酸、D-2-氨基-3-吲哚基丙酸、R-2-氨基-3-(1H-吲哚-3-基)丙酸。
- D-色氨酸有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条D-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。
- D-色氨酸的供应商主要分布在哪些地区？
- D-色氨酸的供应商主要分布在 上海市（1 条） 等地。
- D-色氨酸有哪些级别可选？
- 平台上D-色氨酸的供应级别包括 工业级。
- D-色氨酸的报价单位是什么？
- D-色氨酸的报价单位主要有 千克。
- 哪里可以查到D-色氨酸的价格？
- 掌上化工D-色氨酸产品页汇总了各供应商的最新报价与规格，地址：/chemicals/153-94-6/。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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