L-胱氨酸二甲酯二盐酸盐
Dimethyl L-cystinate dihydrochloride
CAS: 32854-09-4
Molecular Formula: C8H18Cl2N2O4S2
L-胱氨酸二甲酯二盐酸盐 - Names and Identifiers
| Name | Dimethyl L-cystinate dihydrochloride |
| Synonyms | (H-Cys-OMe)2·2HCl (L-Cys-OMe)2·2HCl DIMETHYL CYSTINATE 2HCL Dimethyl L-cystinate HCl DiMethyl L-Cystine dihydrochloride dimethyl cystinate dihydrochloride (H-L-Cys-OMe)2·2HCl (Disulfide bond) Dimethyl L-cystinate dihydrochloride (2R,2'R)-3,3'-disulfanediylbis(1-methoxy-1-oxopropan-2-aminium) (2R,2'R)-DiMethyl 3,3'-disulfanediylbis(2-aMinopropanoate) dihydrochloride Methyl 2-amino-3-(((R)-2-amino-3-methoxy-3-oxopropyl)disulfanyl)propanoate dihydrochloride |
| CAS | 32854-09-4 |
| EINECS | 251-261-4 |
| InChI | InChI=1/C8H16N2O4S2/c1-13-7(11)5(9)3-15-16-4-6(10)8(12)14-2/h5-6H,3-4,9-10H2,1-2H3/p+2/t5-,6-/m0/s1 |
| InChIKey | QKWGUPFPCRKKMQ-BNTLRKBRSA-N |
L-胱氨酸二甲酯二盐酸盐 - Physico-chemical Properties
| Molecular Formula | C8H18Cl2N2O4S2 |
| Molar Mass | 341.28 |
| Melting Point | 182-183°C (dec.)(lit.) |
| Boling Point | 375.5°C at 760 mmHg |
| Specific Rotation(α) | -35 º (c=4, MeOH) |
| Flash Point | 180.9°C |
| Solubility | DMSO, Methanol, Water |
| Vapor Presure | 7.75E-06mmHg at 25°C |
| Appearance | Powder |
| Color | White |
| BRN | 4727524 |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| MDL | MFCD00012490 |
L-胱氨酸二甲酯二盐酸盐 - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | 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 |
L-胱氨酸二甲酯二盐酸盐 - Reference Information
| Use | L-cystine dimethyl ester dihydrochloride is an amino acid derivative, which can be obtained by methyl esterification of L-cystine and methanol. L-cystine dimethyl ester dihydrochloride and crosslinking agent can be prepared by one-step distillation precipitation polymerization to obtain nano hydrogel microspheres with high drug loading and reduction sensitivity. |
| preparation | 150mL of anhydrous methanol is measured in a 250mL round bottom flask, SOCl2(8.0mL,108mmol) is slowly added dropwise, and then 10g of L-cystine is added in batches into the reaction solution. After the room temperature was restored, reflux at 60 ℃ for 5h, the solvent was distilled after the reaction, and L-cystine dimethyl ester dihydrochloride, white solid, was obtained by crystallization with methanol and petroleum ether 1:1. |
Last Update：2024-04-09 21:04:16
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View History
L-胱氨酸二甲酯二盐酸盐
噻唑并[4,5-C]吡啶-2-基甲胺
2-METHYL-3(2-FURYL) ACROLEIN
6-HYDROXY-2-THIONAPHTHOYL-BETA-L-XYLOPYRANOSIDE
3-CHLORO-2,6-DIETHYLANILINE
(1S,4R,6S)-6-羟基-2-氮杂双环[2.2.1]庚烷-2-羧酸叔丁酯
Chromate(2-), [2,4-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)][3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy-5-nitrobenzenesulfonato(3-)]-, disodium
3-溴-4-硝基吡啶氮氧化物
噻唑并[4,5-C]吡啶-2-基甲胺
2-METHYL-3(2-FURYL) ACROLEIN
6-HYDROXY-2-THIONAPHTHOYL-BETA-L-XYLOPYRANOSIDE
3-CHLORO-2,6-DIETHYLANILINE
(1S,4R,6S)-6-羟基-2-氮杂双环[2.2.1]庚烷-2-羧酸叔丁酯
Chromate(2-), [2,4-dihydro-4-[(2-hydroxy-5-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)][3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy-5-nitrobenzenesulfonato(3-)]-, disodium
3-溴-4-硝基吡啶氮氧化物