778451
L-Cysteine hydrochloride monohydrate
Wacker Chemie AG, 98.5-101.0%
Synonym(s):
Cysteine hydrochloride monohydrate, Cysteine monohydrate hydrochloride
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
100 g | Estimated to ship onOctober 20, 2026fromMILWAUKEE | $142.00 |
1 kg | Available to ship TODAY | $829.00 |
25 kg | Estimated to ship onOctober 20, 2026fromMILWAUKEE | $4,470.00 |
About This Item
Quality Segment
assay
98.5-101.0%
form
powder or crystals
optical activity
[α]/D 5.7 to 6.8°
reaction suitability
reaction type: solution phase peptide synthesis
manufacturer/tradename
Wacker Chemie AG
impurities
≤0.2% any ninhydrin positive substance each (total ≤1.0%), ≤0.5% ninhydrin positive substances: impurity A, ≤200 ppm ammonium
ign. residue
≤0.1%
loss
8-12% loss on drying
solubility
water: 100 mg/mL at 25 °C
anion traces
sulfate (SO42-): ≤0.030%
cation traces
Fe: ≤10 ppm
suitability
clear, colorless for appearance of solution
application(s)
peptide synthesis
SMILES string
O.Cl.N[C@@H](CS)C(O)=O
InChI
1S/C3H7NO2S.ClH.H2O/c4-2(1-7)3(5)6;;/h2,7H,1,4H2,(H,5,6);1H;1H2/t2-;;/m0../s1
InChI key
QIJRTFXNRTXDIP-JIZZDEOASA-N
General description
Application
Biochem/physiol Actions
Legal Information
1 of 1
This Item | |||
|---|---|---|---|
| description Wacker Chemie AG, 98.5-101.0% | description BioUltra, ≥99.0% (RT) | description reagent grade, ≥98% (TLC) | description European Pharmacopoeia (EP) Reference Standard |
| assay 98.5-101.0% | assay ≥99.0% (RT) | assay ≥98% (TLC) | assay - |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level - |
| form powder or crystals | form crystals | form powder | form - |
| solubility water: 100 mg/mL at 25 °C | solubility H2O: 1 M at 20 °C, clear, colorless | solubility - | solubility - |
| anion traces sulfate (SO42-): ≤0.030% | anion traces sulfate (SO42-): ≤200 mg/kg | anion traces - | anion traces - |
| impurities ≤0.2% any ninhydrin positive substance each (total ≤1.0%), ≤0.5% ninhydrin positive substances: impurity A, ≤200 ppm ammonium | impurities ≤0.5% foreign amino acids, insoluble matter, passes filter test | impurities - | impurities - |
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Storage Class
11 - Combustible Solids
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
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