2-甲基半胱氨酸 (CAS No.239101-34-9)
- 物化性质
- 白色结晶性粉末,微有硫醇气味;溶于水、甲醇和稀碱溶液,微溶于乙醇;在空气中易氧化,需密封避光保存,熔点约190℃(分解)。
- 纯度
- ≥95%
- 储存条件
- 2~8℃密封避光保存
English description(英文原文,共 862 字符)
Product Name:2-Methylcysteine
English Name:2-Methylcysteine
CAS No.:239101-34-9
Aliases:2-Amino-2-methyl-3-mercaptopropanoic acid, α-Methylcysteine, Acetylcysteine Impurity 279
Molecular Formula:C4H9NO2S
Physical Properties:White crystalline powder with a slight mercaptan odor; soluble in water, methanol, and dilute alkali solutions, slightly soluble in ethanol; easily oxidized in air, store sealed and protected from light. Melting point approximately 190°C (decomposes).
Uses:Used as an impurity reference standard for acetylcysteine in drug impurity analysis, quality control, and stability studies; suitable for pharmaceutical R&D, project registration, and reference standard certification.
Technical Specifications:
Purity: ≥95%
Molecular weight: 135.18
Package sizes: 10mg, 25mg, 50mg, 100mg
Storage: sealed and protected from light at 2–8°C
English Name:2-Methylcysteine
CAS No.:239101-34-9
Aliases:2-Amino-2-methyl-3-mercaptopropanoic acid, α-Methylcysteine, Acetylcysteine Impurity 279
Molecular Formula:C4H9NO2S
Physical Properties:White crystalline powder with a slight mercaptan odor; soluble in water, methanol, and dilute alkali solutions, slightly soluble in ethanol; easily oxidized in air, store sealed and protected from light. Melting point approximately 190°C (decomposes).
Uses:Used as an impurity reference standard for acetylcysteine in drug impurity analysis, quality control, and stability studies; suitable for pharmaceutical R&D, project registration, and reference standard certification.
Technical Specifications:
Purity: ≥95%
Molecular weight: 135.18
Package sizes: 10mg, 25mg, 50mg, 100mg
Storage: sealed and protected from light at 2–8°C
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常见问题
- 2-甲基半胱氨酸的 CAS 号是多少?
- 2-甲基半胱氨酸的 CAS 号是 239101-34-9。
- 2-甲基半胱氨酸的分子式和分子量是什么?
- 2-甲基半胱氨酸的分子式为 C4H9NO2S,分子量约 135.18。
- 2-甲基半胱氨酸的英文名称是什么?
- 2-甲基半胱氨酸的英文名称为 2-Methylcysteine。
- 2-甲基半胱氨酸还有哪些别名?
- 2-甲基半胱氨酸又称 2-氨基-2-甲基-3-巯基丙酸、α-甲基半胱氨酸、乙酰半胱氨酸杂质279。
- 2-甲基半胱氨酸有哪些供应商和生产厂家?
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