| Name： | L-CYSTINE |
| CAS： | 24645-67-8 ;56-89-3 |
| Synonyms： | 3,3'-DITHIOBIS (2-AMINOPROPANOIC ACID) ; (CYS)2 ; (R,R)-3,3'-DITHIOBIS(2-AMINOPROPIONICACID) ; (H-L-CYS-OH)2 ; DICYSTEINE ; (H-CYS-OH)2 (DISULFIDE BOND) ; 2-AMINO-3-(((R)-2-AMINO-2-CARBOXYETHYL)DISULFANYL)PROPANOIC ACID ; BETA,BETA'-DITHIOBIS-A-AMINOPROPIONIC ACID ; L-(-)-CYSTINE ; CYSTINE, L- ; L-CYSTEINE DISULFIDE ; L-CYSTINE ; H-(CYS)2-OH ; (2R,2'R)-3,3'-DISULFANEDIYLBIS(2-AMINOPROPANOIC ACID) ; (R)-(-)-CYSTINE ; 2-AMINO-3-[(2-AMINO-2-CARBOXYETHYL)DITHIO]PROPANOIC ACID ; (2R,2'R)-3,3'-DITHIOBIS(2-AMINOPROPANOIC ACID) ; (-)-3,3'-DITHIOBIS(2-AMINOPROPIONIC ACID) ; CYSTEINE DISULFIDE ; CYSTINE ; L-(-)-3,3'-DITHIOBIS(2-AMINOPROPANOIC ACID) ; (H-CYS-OH)2 |
| MDL.： | MFCD00064228 |
| H bond acceptor： | 6 |
| H bond donor： | 4 |
| Smile： | C([C@@H](C(=O)O)N)SSC[C@@H](C(=O)O)N |
| InChi： | 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 |
| InChiKey： | InChIKey=LEVWYRKDKASIDU-IMJSIDKUSA-N |
Property |
|
| Melting Point： | >240 DEG C (DEC)(LIT)/260～261℃ |
| Boiling Point： | DENSITY: 1.677 G/CM3 20 DEG C |
| Physical Property： | IGNITION RESIDUE: |
| Comments： | ANION TRACES: CHLORIDE (CL-): ANION TRACES: SULFATE (SO42-): CATION TRACES: AS: CATION TRACES: FE: CATION TRACES: PB: IMPURITIES: IMPURITIES: IMPURITIES: LOSS: OPTICAL ACTIVITY: [ALPHA]/D -224 TO -218 DEG SUITABILITY: CLEAR, COLORLESS FOR APPEARANCE OF SOLUTION WGK: 3 |
| Specification： | PRODUCED BY WACKER |
Safety information |
|
| hazard symbol： | Xn |
| Risk Code： | R:R22;R36/37/38 |
| Safe Code： | S:S26;S37/39 |
| WGK Germany： | 2 |
L-CYSTINE
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