factory lower price 52-90-4

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100 Kilogram	Negotiable

100 Kilogram

Negotiable

Min.Order :100 Kilogram
Purity: 99%
Payment Terms : L/C,D/A,D/P,T/T,Other

Keywords

L-Cysteine 52-90-4 C3H7NO2S

Quick Details

Appearance:powder
Application:52-90-4
PackAge:Depended
ProductionCapacity:300|Kilogram|Month
Storage:Refrigerator
Transportation:by air or by sea

Superiority:

L-Cysteine Basic information

Product Name:	L-Cysteine
Synonyms:	(R)-2-Amino-3-mercaptopropanoic acid;3-mercapto-l-alanin;alpha-amino-beta-mercaptopropionicacid;alpha-Amino-beta-thiolpropionic acid;alpha-amino-beta-thiolpropionicacid;Cystein;half-cysteine;L-Alanine, 3-mercapto-
CAS:	52-90-4
MF:	C3H7NO2S
MW:	121.16
EINECS:	200-158-2
Product Categories:	API intermediates;Cysteine [Cys, C];Amino Acids;Amino Acids and Derivatives;alpha-Amino Acids;Antioxidant;Biochemistry;Nutritional Supplements;L-Amino Acids;Amino Acids;amino
Mol File:	52-90-4.mol

L-Cysteine Chemical Properties

mp	220 °C (dec.)(lit.)
alpha	8.75 º (c=12, 2N HCl)
FEMA	3263
refractive index	8.8 ° (C=8, 1mol/L HCl)
storage temp.	Store at RT.
solubility	H₂O: 25 mg/mL
Water Solubility	280 g/L (25 ºC)
Sensitive	Air Sensitive
Merck	14,2781
BRN	1721408
Stability:	Stability Stable, but may be air sensitive. Incompatible with oxidizing agents, bases.
CAS DataBase Reference	52-90-4(CAS DataBase Reference)
NIST Chemistry Reference	L-Cysteine(52-90-4)
EPA Substance Registry System	L-Cysteine(52-90-4)

Safety Information

Hazard Codes	Xn,Xi
Risk Statements	22-36/37/38-20/21/22
Safety Statements	36-37/39-26
WGK Germany	3
RTECS	HA1600000
F	10-23
HS Code	29309012
Hazardous Substances Data	52-90-4(Hazardous Substances Data)

MSDS Information

Provider	Language
(+)-2-Amino-3-mercaptopropionic acid	English
SigmaAldrich	English
ACROS	English
ALFA	English

L-Cysteine Usage And Synthesis

Chemical Properties	White crystalline powder
Usage	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.

L-Cysteine Preparation Products And Raw materials

Raw materials	Ammonium hydroxide-->HYDROGEN SULFIDE-->Α-PROTEIN-->L-Cystine-->Tin granular
Preparation Products	6-BROMOMETHYL-PTERIDINE-2,4-DIAMINE HBR-->N-Acetyl-cysteine-->L-Cysteine hydrochloride anhydrous-->Ranitidine hydrochloride-->L-Cysteine hydrochloride monohydrate-->D-Biotin-->Carbocistein-->Chiral 2，2-Disubstituted thiaprolinol derivatives-->Papain-->S-Carboxymethyl-L-cysteine

Service we provide:

1. Mixed container, we can mix different items in one container.

2. Quality control, before shipment, free sample for test. after shipment, keep sample for 3 years

3. Prompt shipment with professional documents

4. Packing as your request, with photo before shipment

Details:

Exhibition in shanghai

We have clients throughout the world：

Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet your desire.

Our Laboratoy

We have our own independent lab test center：

This makes sure that our technology support is reliable and authoritative.All of self-owned fine chemicals are manufactured strictly in accordance with international standard.,and also has scientific cooperation with local colleges and institutes.