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CAS 52-90-4 API Intermediate Drug Product Intermediate L - Cysteine C3H7NO2S

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CAS 52-90-4 API Intermediate Drug Product Intermediate L - Cysteine C3H7NO2S

China CAS 52-90-4 API Intermediate Drug Product Intermediate L - Cysteine C3H7NO2S supplier

Large Image :  CAS 52-90-4 API Intermediate Drug Product Intermediate L - Cysteine C3H7NO2S

Product Details:

Place of Origin: China
Brand Name: Truly
Model Number: CAS 52-90-4

Payment & Shipping Terms:

Minimum Order Quantity: 25kg
Packaging Details: 25KG bag/Drum
Delivery Time: As per quantity
Payment Terms: L/C, T/T, Western Union
Supply Ability: 30 ton/month
Detailed Product Description
Product Name: L-Cysteine CAS No:: 52-90-4
MF: C3H7NO2S MW: 121.16
Mp: 220 掳C (dec.)(lit.) EINECS:: 200-158-2
Water Solubility: 280 G/L (25 潞C) Sensitive: Air Sensitive

CAS 52-90-4 API Intermediate L-Cysteine C3H7NO2S White Powder
L-Cysteine Physicochemical property:

White crystalline powder

Character & 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.


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
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


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.


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
HS Code  29309012


Product Photo:

CAS 52-90-4 API Intermediate Drug Product Intermediate L - Cysteine C3H7NO2S

Competitive Advantage:
Competitive Price


We have good relationship with manufacturers in China.


We can bring you the highest quality chemicals, ingredients, and additives at a superior price.

Quality Assurance


For appearance, we will take pictures of products in advance. We offer the photos to you for your approval. Especially for lumpy solid, we will check the appearance after melting to avoid visible contaminations.

For key parameters, we send samples to qualified third party against manufacturer’s COA or upon customer’s test method. If there is discrepancy, we will inform you immediately.
Double check for quality of every batch before delivering to customer.

In time Delivery:

We promise to deliver each batch of products in time, and with the target that deliver satisfaction rate arrive to 100%.
Service with heart

We Truly Chemical offer specialized logistic service including export declaration, customs clearance and every detail during shipment. This makes us able to offer you one-stop service from the order to the products transported to your hand. Truly Chemical keeps your order in our heart.
Company Information
To get more information, just feel free to contact with us. Thanks.
Changzhou Truly Foreign Trade Co., Ltd
B2607, World Trade Center, NO.2 Yanzheng Middle Road, Changzhou, 213000 Jiangsu, China
Tel: 86-519-81090216
Fax: 86-519-81889216

Contact Details
Changzhou Truly Foreign Trade Co.,LTD

Contact Person: Bella Guan

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