L-???????
|
|
L-??????? ??
- ???
- 180°C
- ??
- 5.5 º (c=8, 6 N HCL)
- ?? ??
- Inert atmosphere,Room Temperature
- ???
- H2O: 1 M at 20 °C, ??, ??
- ??? ??
- ??
- ??? ??
- ??? ??
- ??
- ???? ?? ????
- ??
- ?? ??
- ???? ??
- synthetic
- ?? ??
- [α]20/D +6.4±0.3°, c = 5% in 5 M HCl
- ???
- ??
- ??
- Hygroscopic
- Merck
- 14,2781
- BRN
- 3560277
- ???
- ?????? ??? ??? ??? ?????. ?? ???, ?? ??? ???? ????.
- ??? ?? ??
- ?? ??? ?? ?????
??? ?? ????? ????
????
?? ????
- ??? ?? ??
- L-Cysteine monohydrochloride (52-89-1)
- InChI
- 1S/C3H7NO2S.ClH/c4-2(1-7)3(5)6;/h2,7H,1,4H2,(H,5,6);1H/t2-;/m0./s1
- InChIKey
- IFQSXNOEEPCSLW-DKWTVANSSA-N
- SMILES
- Cl[H].N[C@@H](CS)C(O)=O
- LogP
- 0.235 (est)
- CAS ??????
- 52-89-1(CAS DataBase Reference)
??
- ?? ? ?? ??
- ?? ? ???? ?? (GHS)
| ??? ?? | Xi | ||
|---|---|---|---|
| ?? ???? ?? | 36/37/38 | ||
| ????? | 26-36 | ||
| WGK ?? | 2 | ||
| RTECS ?? | HA2275000 | ||
| F ?????? | 3-10-23 | ||
| TSCA | TSCA listed | ||
| HS ?? | 29309013 | ||
| ???? ??? | 11 - Combustible Solids | ||
| ?? | LD50 intraperitoneal in mouse: 1250mg/kg | ||
| ???? ?? | KE-09342 |
L-??????? C??? ??, ??, ??
??? ??
solid??
As dough conditioner.??
ChEBI: A hydrochloride obtained by combining L-cysteine with one molar equivalent of hydrogen chloride.?? ??
L-cysteine is a sulfur-containing amino acid.Safety Profile
: Moderately toxic by intraperitoneal, intravenous, and possibly other routes. Mutation data reported. When heated to decomposition it emits very toxic fumes of NOx, SOx, and Cl-.Purification Methods
Likely impurities are cystine and tyrosine. Crystallise the salt from MeOH by adding diethyl ether, or from hot 20% HCl. Dry it under vacuum over P2O5. Hygroscopic. [Beilstein 4 III 1580, 1600.]L-??????? ?? ?? ? ???
???
?? ??
L-??????? ?? ??
???( 905)?? ??
| ??? | ?? | ??? | ?? | ?? ? | ?? |
|---|---|---|---|---|---|
| DONBOO AMINO ACID COMPANY | +8618051385538 |
donboo@donboo.com | China | 9363 | 58 |
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| Wuhan Fortuna Chemical Co., Ltd | +86-27-59207850 |
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| Hebei Chuanghai Biotechnology Co,.LTD | +86-86-13131129325 +8613131129325 |
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| Shaanxi TNJONE Pharmaceutical Co., Ltd | +8618092446649 |
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| Hebei Longbang Technology Co., LTD | +86-18633929156 |
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| Shandong Deshang Chemical Co., Ltd. | +86-0531-8875-2665 +8613153039501 |
info@deshangchem.com | China | 661 | 58 |
| HebeiShuoshengImportandExportco.,Ltd | +86-18532138899 |
L18532138899@163.com | China | 939 | 58 |
| Capot Chemical Co.,Ltd. | +86-（0）57185586718 +86-13336195806 |
sales@capot.com | China | 29640 | 60 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 |
info@tianfuchem.com | China | 21586 | 55 |
L-??????? ?? ??:
L-(+)-???? L-(-)-?? ?? L-???? ????? L-???? L-(-)-??? ?????? S-(2-?????)-L-??????? ?? L-??? L-???????
L-Cysteine ethyl ester hydrochloride
DL-Homocysteine
Topotecan hydrochloride
D-cysteine hydrochloride anhydrous
L-CYSTEINE HCL ANHYDROUS
S-tert-Butyl-L-cysteine hydrochloride
L-CYSTINE DIHYDROCHLORIDE
Dimethyl L-cystinate dihydrochloride
H-CYS(BZL)-OET HCL