Keywords

• L-Cystine
• 56-89-3
• APIs-sirolimus

Quick Details

• ProName: key product L-Cystine 98.0%
• CasNo: 56-89-3
• Molecular Formula: C51H79NO13
• Appearance: White powder
• Application: Rapamycin is a drug used to keep the b...
• DeliveryTime: 3days
• PackAge: 10G/pack,100g/pack,1kg/pack (aluminium...
• Port: Shanghai port
• ProductionCapacity: 10000 Kilogram/Year
• Purity: 99%min
• Storage: storage in a dry, ventilated place und...
• Transportation: BY EMS,FEDEX
• LimitNum: 1 Kilogram
• Valid Period: 2years
• Batch: 20140302

Superiority

1,In No Less five years exporting experience.

2.Lower Price with higher quality

3,Free sample

4,We are sincerely responsible for the "product quality" and "After Service"

Details

Company Introduction:

Onchem (China) Co.,Ltd  is a comprehensive manufacturer and 

an international distribution of chemicals 

throughout the world. Specialized in APIs, 

chemical intermediates, herbal extract and pharmaceutical raw materials. 

Product Detailed

• Product Name: L-Cystine   
•   Cas No.: 56-89-3  
•   Quality Standard: EP4

   

   

  Test item	Limit
  identification	First identification A.B Second identification A.C.D
  Appearance of solution	Meets the requirements
  Specific  Rotation	-218°to -224°
  Ninhydrin-postitive substances	Meets the requirements
  Chloride	≤200ppm
  Sulfate	≤300ppm
  Ammonium	≤100ppm
  Iron	≤10ppm
  Heavy Metals	≤10ppm
  Loss On Drying	≤0.5%
  Sulphated ash	≤0.1%
  Assay	98.5 to 101.0%

   

  Storage: Preserve in well-closed containers.

Package: 10G/pack,100g/pack,1kg/pack (aluminium foil bag)

Storage：2 year

Sample: we provide free sample.

Factory Picture:

Delivery:

3days by EMS,FEDEX,DHL.

Welcome to Onchem (China) Co.,Ltd, and welcome to inquiry me about all our products,

we will provice the competitive price for u.

We are sincerely responsible for the "product quality" and "After Service"