| Identification | More | [Name]
Dimethyl L-cystinate dihydrochloride | [CAS]
32854-09-4 | [Synonyms]
DIMETHYL CYSTINATE 2HCL
(H-CYS-OME)2 2 HCL
L-CYSTINE DIMETHYL ESTER DIHYDROCHLORIDE
dimethyl L-cystinate dihydrochloride
L-Cysteinedimethylester hydrochloride
L-Cystine Dimethyl Ester 2HCl
L-CYSTINE DIMETHYL ESTER DIHYDROCHLORIDE, >=95%
L-CYSTINE DIETHYL DIHYDROCHLORIDE
(H-Cys-OMe)2 . 2 HCl, (Disulfide bond)
Methyl 2-amino-3-(2-amino-3-methoxy-3-oxopropyl)disulfanylpropanoate dihydrochloride | [EINECS(EC#)]
251-261-4 | [Molecular Formula]
C8H18Cl2N2O4S2 | [MDL Number]
MFCD00012490 | [Molecular Weight]
341.28 | [MOL File]
32854-09-4.mol |
| Chemical Properties | Back Directory | [Appearance]
White Solid | [Melting point ]
182-183 °C (dec.)(lit.)
| [alpha ]
-35 º (c=4, MeOH) | [storage temp. ]
Store at RT. | [solubility ]
DMSO, Methanol, Water | [form ]
Powder | [color ]
White | [Optical Rotation]
[α]22/D 36.0°, c = 4% in methanol | [BRN ]
4727524 | [Major Application]
peptide synthesis | [InChI]
InChI=1/C8H16N2O4S2.2ClH/c1-13-7(11)5(9)3-15-16-4-6(10)8(12)14-2;;/h5-6H,3-4,9-10H2,1-2H3;2*1H/t5-,6-;;/s3 | [InChIKey]
QKWGUPFPCRKKMQ-BNTLRKBRSA-N | [SMILES]
[C@H](N)(CSSC[C@H](N)C(=O)OC)C(=O)OC.Cl.Cl |&1:0,6,r| | [CAS DataBase Reference]
32854-09-4(CAS DataBase Reference) |
| Safety Data | Back Directory | [Hazard Codes ]
Xi,Xn | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin .
R22:Harmful if swallowed. | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection . | [WGK Germany ]
3
| [HS Code ]
29309090 | [Storage Class]
11 - Combustible Solids |
| Hazard Information | Back Directory | [Chemical Properties]
White Solid | [Uses]
L-Cystine-dimethyl Ester Dihydrochloride (cas# 32854-09-4) is a compound useful in organic synthesis. | [reaction suitability]
reaction type: solution phase peptide synthesis | [Synthesis]
Measure 150mL of anhydrous methanol in a 250mL round-bottomed flask, slowly add SOCl2 (8.0mL, 108mmol) dropwise, and then add 10g of L-cystine to the reaction solution in batches. After returning to room temperature, refluxed at 60°C for 5 h. At the end o |
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