779539

L -胱氨酸

produced by Wacker Chemie AG, Burghausen, Germany, ≥98.5%

• 别名: (R,R)-3,3′-亚二硫基二(2-丙氨酸)
• 线性分子式: [-SCH₂CH(NH₂)CO₂H]₂
• CAS号: 56-89-3
• 分子量: 240.30
• Beilstein: 1728094
• EC號碼: 200-296-3
• MDL號碼: MFCD00064228
• 分類程式碼代碼: 12352209
• PubChem物質ID: 329768048
• NACRES: NA.22

属性

• 等級: produced by Wacker Chemie AG, Burghausen, Germany
• 品質等級: 200
• 化驗: ≥98.5%
• 形狀: powder
• 光學活性: [α]/D -224 to -218°
• 反應適用性: reaction type: solution phase peptide synthesis
• 雜質: ≤0.02% ammonium; ≤0.2% ninhidrin positive substances (each); ≤10 ppm heavy metals
• 燃燒殘留物: ≤0.1%
• 損耗: ≤0.2% loss on drying
• mp: >240 °C (dec.) (lit.)
• 負離子痕跡: chloride (Cl^-): ≤200 ppm; sulfate (SO₄^2-): ≤300 ppm
• 正離子痕跡: As: ≤1 ppm; Fe: ≤10 ppm; Pb: ≤5 ppm
• 適合性: clear, colorless for appearance of solution
• SMILES 字串: N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O
• InChI: 1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1
• InChI 密鑰: LEVWYRKDKASIDU-IMJSIDKUSA-N

说明

一般說明

L-Cystine is an amino acid mainly found in the keratin of hair.

This product is supplied from Wacker FERMOPURE^® material, but is sold for R&D use only, not for drug, household or other uses.

應用

L-Cystine can be used as a starting material for the synthesis of d-biotin, aromatic-bridged cystine cyclic peptides (cystinophanes), chiral imidazolidine disulfides and biodegradable PEGylated gadolinium-diethylenetriamine pentaacetic acid (Gd-DTPA) L-cystine copolymers.

法律資訊

FERMOPURE is a registered trademark of Wacker Chemie AG

安全信息

• 儲存類別代碼: 11 - Combustible Solids
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable