S3095651
UnitedStatesPharmacopeia(USP)ReferenceStandard , 7048-04-6
Synonym(s):
L -Cysteine hydrochloride monohydrate;Cys, L-Cysteinium Chloride Monohydrate, L-Cysteine Hydrochloride, Monohydrate
CAS NO.：7048-04-6
Empirical Formula: C3H10ClNO3S
Molecular Weight: 175.63
MDL number: MFCD00065606
EINECS: 615-117-8
| Pack Size | Price | Stock | Quantity |
| 600MG | RMB5042.57 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 175°C |
| alpha | +6.0～+7.5゜ (20℃/D)(c=8,6mol/l HCl)(calculated on the dried basis) |
| Density | 1.54 g/cm3 |
| bulk density | 780kg/m3 |
| vapor pressure | <0.1 hPa (20 °C) |
| refractive index | 6 ° (C=8, 1mol/L HCl) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| form | Solid |
| color | White |
| PH | 0.8-1.2 (100g/l, H2O, 20℃) |
| PH Range | 1 - 2 |
| biological source | synthetic |
| optical activity | [α]20/D +5.6±0.3°, c = 5% in 5 M HCl |
| Water Solubility | Soluble in cold water. |
| Sensitive | Hygroscopic |
| λmax | λ: 260 nm Amax: 1.0 λ: 280 nm Amax: 0.3 |
| Merck | 14,2781 |
| BRN | 5158059 |
| Stability: | Stable. Incompatible with strong oxidizing agents, most common metals, hydrogen chloride. |
| InChI | 1S/C3H7NO2S.ClH.H2O/c4-2(1-7)3(5)6;;/h2,7H,1,4H2,(H,5,6);1H;1H2/t2-;;/m0../s1 |
| InChIKey | QIJRTFXNRTXDIP-JIZZDEOASA-N |
| SMILES | O.Cl.N[C@@H](CS)C(O)=O |
| LogP | 0.235 (est) |
| CAS DataBase Reference | 7048-04-6(CAS DataBase Reference) |
Description and Uses
L-Cysteine hydrochloride monohydrate has been used as a component of yeast dropout media for culturing yeasts. It has also been used as a component of differential reinforced clostridial broth (DRCM) for the isolation of clostridia.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H319 |
| Precautionary statements | P264-P280-P305+P351+P338-P337+P313 |
| PPE | dust mask type N95 (US), Eyeshields, Gloves |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 3 |
| RTECS | HA2285000 |
| F | 3-10-23 |
| TSCA | Yes |
| HS Code | 29309013 |
| Storage Class | 11 - Combustible Solids |
