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ChemicalBook >> CAS DataBase List >> L-Cysteine hydrochloride monohydrate

L-Cysteine hydrochloride monohydrate

L-Cysteine hydrochloride monohydrate price.
  • $10 - $7954
  • Product name: L-Cysteine hydrochloride monohydrate
  • CAS: 7048-04-6
  • MF: C3H10ClNO3S
  • MW: 175.63
  • EINECS:615-117-8
  • MDL Number:MFCD00065606
  • Synonyms:(R)-(+)-CYSTEINE HYDROCHLORIDE HYDRATE;H-L-CYS-OH HCL H2O;H-CYS-OH HCL H2O;CYSTEINI HYDROCHLORIDUM MONOHYDRICUM;3-MERCAPTO-2-AMINOPROPIONIC ACID HYDROCHLORIDE;3-MERCAPTO-2-AMINOPROPIONIC ACID HYDROCHLORIDE MONOHYDRATE;alpha-amino-beta-mercapto-propionic acid hydrochloride monohydrate;(R)-(+)-Cysteine hydrate hydrochloride
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  • aablocks
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  • Manufactureraablocks
  • Product numberAA003R5X
  • Product descriptionL-Cysteine, hydrochloride, hydrate (1:1:1) ≥99%
  • Packaging25g
  • Price$10
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA003R5X
  • Product descriptionL-Cysteine, hydrochloride, hydrate (1:1:1) 98%
  • Packaging100g
  • Price$16
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA003R5X
  • Product descriptionL-Cysteine, hydrochloride, hydrate (1:1:1) 98%
  • Packaging1kg
  • Price$57
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003R5X
  • Product descriptionL-Cysteine, hydrochloride, hydrate (1:1:1) 98%
  • Packaging500g
  • Price$33
  • Updated2026-05-28
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  • ManufacturerAHH
  • Product numberMT-07420
  • Product descriptionL-Cysteine hydrochloride monohydrate 99%
  • Packaging2500g
  • Price$468
  • Updated2021-12-16
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  • ManufacturerAHH
  • Product numberMT-07420
  • Product descriptionL-Cysteine hydrochloride monohydrate 97%
  • Packaging2500g
  • Price$468
  • Updated2026-05-25
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  • ManufacturerAHH
  • Product numberMT-07420
  • Product descriptionL-Cysteine hydrochloride monohydrate 97%
  • Packaging2500g
  • Price$468
  • Updated2026-05-26
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  • ManufacturerAK Scientific
  • Product numberI629
  • Product descriptionL-Cysteine hydrochloride monohydrate, meet USP specifications 99.0%to100.5%
  • Packaging1kg
  • Price$171
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberI629
  • Product descriptionL-Cysteine hydrochloride monohydrate, meet USP specifications 99.0%to100.5%
  • Packaging100g
  • Price$32
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberI629
  • Product descriptionL-Cysteine hydrochloride monohydrate, meet USP specifications 99.0%to100.5%
  • Packaging250g
  • Price$54
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberI629
  • Product descriptionL-Cysteine hydrochloride monohydrate, meet USP specifications 99.0%to100.5%
  • Packaging25g
  • Price$19
  • Updated2026-06-04
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  • ManufacturerApolloscientific
  • Product numberBIC0706
  • Product descriptionL-Cysteine hydrochloride monohydrate 98%
  • Packaging100g
  • Price$25
  • Updated2026-06-04
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  • ManufacturerApolloscientific
  • Product numberBIC0706
  • Product descriptionL-Cysteine hydrochloride monohydrate 98%
  • Packaging500g
  • Price$98
  • Updated2026-06-04
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  • ManufacturerApolloscientific
  • Product numberBIC0706
  • Product descriptionL-Cysteine hydrochloride monohydrate 98%
  • Packaging1kg
  • Price$184
  • Updated2026-06-04
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  • ManufacturerBiosynth
  • Product numberFC16021
  • Product descriptionL-Cysteine hydrochloride monohydrate
  • Packaging2kg
  • Price$253
  • Updated2026-06-04
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  • ManufacturerBiosynth
  • Product numberFC16021
  • Product descriptionL-Cysteine hydrochloride monohydrate
  • Packaging5kg
  • Price$605
  • Updated2026-06-04
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Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003R5X L-Cysteine, hydrochloride, hydrate (1:1:1) ≥99% 25g $10 2026-05-28 Buy
aablocks AA003R5X L-Cysteine, hydrochloride, hydrate (1:1:1) 98% 100g $16 2026-05-28 Buy
aablocks AA003R5X L-Cysteine, hydrochloride, hydrate (1:1:1) 98% 1kg $57 2026-05-28 Buy
aablocks AA003R5X L-Cysteine, hydrochloride, hydrate (1:1:1) 98% 500g $33 2026-05-28 Buy
AHH MT-07420 L-Cysteine hydrochloride monohydrate 99% 2500g $468 2021-12-16 Buy
AHH MT-07420 L-Cysteine hydrochloride monohydrate 97% 2500g $468 2026-05-25 Buy
AHH MT-07420 L-Cysteine hydrochloride monohydrate 97% 2500g $468 2026-05-26 Buy
AK Scientific I629 L-Cysteine hydrochloride monohydrate, meet USP specifications 99.0%to100.5% 1kg $171 2026-06-04 Buy
AK Scientific I629 L-Cysteine hydrochloride monohydrate, meet USP specifications 99.0%to100.5% 100g $32 2026-06-04 Buy
AK Scientific I629 L-Cysteine hydrochloride monohydrate, meet USP specifications 99.0%to100.5% 250g $54 2026-06-04 Buy
AK Scientific I629 L-Cysteine hydrochloride monohydrate, meet USP specifications 99.0%to100.5% 25g $19 2026-06-04 Buy
Apolloscientific BIC0706 L-Cysteine hydrochloride monohydrate 98% 100g $25 2026-06-04 Buy
Apolloscientific BIC0706 L-Cysteine hydrochloride monohydrate 98% 500g $98 2026-06-04 Buy
Apolloscientific BIC0706 L-Cysteine hydrochloride monohydrate 98% 1kg $184 2026-06-04 Buy
Biosynth FC16021 L-Cysteine hydrochloride monohydrate 2kg $253 2026-06-04 Buy
Biosynth FC16021 L-Cysteine hydrochloride monohydrate 5kg $605 2026-06-04 Buy

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)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P337+P313 IF eye irritation persists: Get medical advice/attention.

Description

L-Cysteine hydrochloride monohydrate is used as a precursor in food, pharmaceutical and personal care products. It is actively involved in the production of flavors such as meat flavor obtained by reacting with sugars. It plays an important role as a key raw material for the manufacture of N-acetyl-L-cysteine, S-carboxymethyl-L-cysteine and L-cysteine base. It is involved in the treatment of liver disease as an antioxidant and antidote. Being an essential amino acid, it used as animal feed especially for sheep, which is responsible the growth of wool.

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