779539

L-Cystine

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

• 동의어(들): (R,R)-3,3′-Dithiobis(2-aminopropionicacid)
• Linear Formula: [-SCH₂CH(NH₂)CO₂H]₂
• CAS Number: 56-89-3
• Molecular Weight: 240.30
• Beilstein: 1728094
• EC Number: 200-296-3
• MDL number: MFCD00064228
• UNSPSC 코드: 12352209
• PubChem Substance ID: 329768048
• NACRES: NA.22

속성

• Grade: produced by Wacker Chemie AG, Burghausen, Germany
• Quality Level: 200
• 분석: ≥98.5%
• 양식: powder
• 광학 활성: [α]/D -224 to -218°
• 반응 적합성: reaction type: solution phase peptide synthesis
• 불순물: ≤0.02% ammonium; ≤0.2% ninhidrin positive substances (each); ≤10 ppm heavy metals
• 무기 잔류물: ≤0.1%
• 손실: ≤0.2% loss on drying
• mp: >240 °C (dec.) (lit.)
• 음이온 미량물: chloride (Cl^-): ≤200 ppm; sulfate (SO₄^2-): ≤300 ppm
• 양이온 미량물: As: ≤1 ppm; Fe: ≤10 ppm; Pb: ≤5 ppm
• 적합성: clear, colorless for appearance of solution
• SMILES string: 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 key: LEVWYRKDKASIDU-IMJSIDKUSA-N

설명

일반 설명

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.

애플리케이션

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.

법적 정보

FERMOPURE is a registered trademark of Wacker Chemie AG

안전성 정보

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable