Factory Supply Procysteine CAS No. 19771-63-2 with Fast Delivery

• CAS No.: 19771-63-2
• Formula: C4h5no3s
• EINECS: 200-154-8
• Type: Comstics
• Appearance: Powder
• Colour: White
• Transport Package: Drum
• Specification: 25kg/drum
• Trademark: GW
• Origin: China

Product Description

Product name: Procysteine
Other names: 2-oxothiazolidine-4-carboxylic acid
Cas No.: 19771-63-2
Purity: 99%
Package: 1kg/aluminium foil bag or according to customer's request
Application:
It is the newly developed light-colored whitening substance. As it has strong anti-oxidation and detoxification functions and has the effect of inhibiting tyrosinase activity, widely be used in cosmetic products.

Test Items	Standards
Appearance	White Crystalline Power
Assay(HPLC)	Not less than 98%
Melting Point	172~174 ºC
Loss on Drying	≤0.3%

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Our Advantages

1. Top quality materials with competitive price;
2. Large capacity of stable materials supply;
3. Safety and fast shipment by express/air/sea;
4. Sample order acceptable;
5. Professional and great packing as customized;
6. Convenient payment terms by T/T, Credit Card and online order;
7. Reply inquiries in time
 

FAQ

Q: Who are you?
A: We are a professional and with more than 20 years experienced supplier and exporter for Industrial & fine chemicals, APIs, Reagent & Lab Supplies, and Food & Food Additives in China.

Q: How can you guarantee quality? 
A: We could provide pre-production sample before mass production. And we also accept the final inspection(third-party) before shipment.

Q: Do you supply free samples?
A: Generally, we could provide free sample for quality evaluation, but the international shipping cost should be undertook by customers.

Q: Which payment terms do you accept?
A: We could accept the payment through T/T, L/C and Online payment.

Q: Can I pay with a credit card
A: Yes, you could feel free to make your payment through credit card. Please contact us for more details