Product Name:L-Cysteine Hydrochloride Monohydrate
CAS: 7048-04-6
MF: C3H10ClNO3S
MW:175.63
EINECS: 615-117-8
Items | Standard | Test Result |
Appearance | White crystals or crystalline powder | White crystalline powder |
Identification | Infrared absorption | Conform |
Assay | 98.5%~101.5% | 99.3% |
Residue on ignition | ≤0.4% | <0.06% |
Sulfate (SO4) | ≤0.03% | <0.03% |
Iron (Fe) | ≤30ppm | <30ppm |
Heavy metals (Pb) | ≤15ppm | <15ppm |
Related compounds | Not more than 0.5% of any individual impurity is found; Not more than 2.0% of total impurities is found | Conform |
Specific rotation [α]D25 | +5.7°~+6.8° | +5.9° |
Loss on drying | 8.0~12.0% | 11.1% |
Conclusion | This batch is conforming with the standard of USP39. |
Application
L - cysteine hydrochloride monohydrate is mainly used in medical field: made of drugs in clinic to cure leukopenia and application of anti-cancer drugs and radioactive drugs, leukopenia caused by heavy metal poisoning antidote, is also used in the treatment of viral hepatitis, thrombocytopenia, skin ulcer, and can prevent liver degeneration, treatment of bronchitis and phlegm.
Company Profile
Hebei Zhuanglai Chemical Trading Co.,Ltd. is a foreign trading company, specializing in developing and producing Chemical raw materials, pharmaceutical intermediates.It has its own factory, which procures itself a competitive edge in market.
For many years, our company has won many clients' support and trust because it always strives to make high-quality merchandise with favorable price. It commits itself to satisfy every clients, in return, our customer show great confidence and respect for our company. In spite of so many loyal customers won these years, Hegui keeps modest all the time and strives to better itself from every aspect.
We are looking forward to cooperating with you and having a win-win relationship with you. Please rest assured that we will satisfy you. Just feel free to contact me.
Packing & Shipping
FAQ
Q1. What is your delivery term and delivery period?
We accept FOB, CIF, etc. You can choose the one which is the most convenient or cost effective for you. Competitive price with ready stocks; by Air within 7days, by sea within 14 days shipping after .
Q2. What's your main markets?
South&North America, Europe, Asia, Africa etc. Top customers among more than 80 countries; 30 years history; One-stop supplier.
Q3. What is the payment term?
Normally we advise customers use Trade Assurance(is a free payment protection service for buyers is offered by Alibaba group), and we also receive T/T, Western Union or L/C.
Q4. Will you supply samples for test the quality?
We'd like to offer our customers samples for the quality evaluation for most products to develop business.
China
