Application General descriptio
ChemicalBook > CAS DataBase List > L-Cysteine hydrochloride monohydrate

L-Cysteine hydrochloride monohydrate

Application General descriptio
Product Name
L-Cysteine hydrochloride monohydrate
CAS No.
7048-04-6
Chemical Name
L-Cysteine hydrochloride monohydrate
Synonyms
L-CYSTEINE HCL MONOHYDRATE;L-CYSTEINE HYDROCHLORIDE;CYSTEINE HYDROCHLORIDE MONOHYDRATE;CYSTEINE HCL H2O;L-Cys.HCl.H2O;L-CYSTEINE HCL H2O;Cysteine Hydrochloride Hydrate;L-CYSTEINE HYDROCHLORIDE HYDRATE;L-Cys-OH HCl;H-Cys-OH¤HCl¤H
CBNumber
CB9694981
Molecular Formula
C3H10ClNO3S
Formula Weight
175.63
MOL File
7048-04-6.mol
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L-Cysteine hydrochloride monohydrate Property

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
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 Range
1 - 2
PH
0.8-1.2 (100g/l, H2O, 20℃)
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.
LogP
0.235 (est)
CAS DataBase Reference
7048-04-6(CAS DataBase Reference)
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Safety

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
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
1.02839
Product name
L-Cysteine hydrochloride monohydrate
Purity
for biochemistry
Packaging
25g
Price
$61.5
Updated
2024/03/01
Sigma-Aldrich
Product number
1.02735
Product name
L-Cysteine hydrochloride monohydrate
Purity
EMPROVE? ESSENTIAL Ph Eur,USP
Packaging
100g
Price
$79
Updated
2024/03/01
Sigma-Aldrich
Product number
1.02839
Product name
L-Cysteine hydrochloride monohydrate
Purity
for biochemistry
Packaging
100g
Price
$100
Updated
2024/03/01
Sigma-Aldrich
Product number
1.02839
Product name
L-Cysteine hydrochloride monohydrate
Purity
for biochemistry
Packaging
1kg
Price
$638
Updated
2024/03/01
Sigma-Aldrich
Product number
1.02735
Product name
L-Cysteine hydrochloride monohydrate
Purity
EMPROVE? ESSENTIAL Ph Eur,USP
Packaging
3kg
Price
$847
Updated
2024/03/01
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L-Cysteine hydrochloride monohydrate Chemical Properties,Usage,Production

Application

L-cysteine ​​hydrochloride monohydrate has been used in protocols to isolate dorsal root ganglion neurons (DRG).  It was also used in research to test its effect as an inhibitor of enzymatic browning of apples.

General descriptio

L-cysteine ​​hydrochloride monohydrate (LCHCMH) is a water-soluble salt of the non-essential amino acid L-cysteine. It is widely used in the pharmaceutical industry. The thermodynamic characteristics of LCHCMH in aqueous solution have been reported. [1] It can be crystallized in an orthogonal system with the P212121 space group. Its nonlinear optical (NLO) characteristics have been studied in single crystals grown by unidirectional Sankaranarayanan-Ramasamy (SR) technology.

Chemical Properties

white crystalline powder

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.

Uses

L-Cysteine is a non-essential amino acid that can be synthesized by the human body under normal physiological conditions if a sufficient quantity of methionine is available. L-Cysteine is commonly use d as a precursor in the food and pharmaceutical industries. L-Cysteine is used as a processing aid for baking, as an additive in cigarettes, as well as in the preparation of meat flavours.

Uses

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.

Definition

ChEBI: A hydrate that is the monohydrate form of L-cysteine hydrochloride.

General Description

This product is supplied from Wacker FERMOPURE? material, but is sold for R&D use only, not for drug, household or other uses.

Biochem/physiol Actions

NMDA glutamatergic receptor antagonist.

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-Cysteine hydrochloride monohydrate Preparation Products And Raw materials

Raw materials

Hydrogen Sulfide L-Cystine Tin granular L-Cysteine

Preparation Products

(2,4-DIAMINOPTERIDIN-6-YL)METHANOL HYDROCHLORIDE HYDRATE N10-(TRIFLUOROACETYL)PTEROIC ACID
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View Lastest Price from L-Cysteine hydrochloride monohydrate manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
L-Cysteine hydrochloride monohydrate 7048-04-6
Price
US $50.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
5000kg/Week
Release date
2024-04-30
WUHAN FORTUNA CHEMICAL CO., LTD
Product
L-Cysteine hydrochloride monohydrate 7048-04-6
Price
US $0.00/Kg/Drum
Min. Order
1KG
Purity
98.5%-101.5; AJI/USP
Supply Ability
1000kg
Release date
2021-09-22
HUARONG(GUANGDONG) PHARMACEUTICAL CO.,LTD
Product
L-Cysteine hydrochloride Monohydrate 7048-04-6
Price
US $0.00/kg
Min. Order
25kg
Purity
99% USP/BP Food additive
Supply Ability
200mt
Release date
2024-11-19

7048-04-6, L-Cysteine hydrochloride monohydrateRelated Search:

ALTRENOGEST Topotecan hydrochloride L-Cysteine monohydrochloride MELIBIOSE N-Acetyl-L-cysteine DL-Homocysteine Propionic acid L-Cysteine L-Cysteine ethyl ester hydrochloride Glycine Malathion L-CYSTEINE HCL ANHYDROUS H-D-Cys-OH.HCl.H2O (D-Cysteine hydrochloride monohydrate),D-cysteine hydrochloride monohydrate Crystalline ,98.5% D-CYSTEINE HYDROCHLORIDE MONOHYDRATE DL-CYSTEINE HYDROCHLORIDE MONOHYDRATE D-CYSTEINE HYDROCHLORIDE MONOHYDRATE, 99 % (95% EE/GLC) 3-Mercaptopropionic acid L-Cysteine hydrochloride monohydrate Cysteine Hydrochloride Monohydrate

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