L-Cysteine Hydrochloride Monohydrate(commonly known as cysteine) is an amino acid the body uses to make proteins,although it is produced naturally,most of it comes from dietary sources,Cysteine is one of the main building blocks of glutathione,a powerful antioxidant the body produces to fight offer free radicals and prevent cellular damage.
1. Mainly used in the field of medicine: used as pharmaceutical excipients for the preparation of compound amino acid infusions and clinical nutritional diets (such as enteral nutrition preparations, etc.), and antioxidant effects. The prepared drug can treat leukopenia and the leukopenia caused by the application of anti-cancer drugs and radiopharmaceuticals in the clinic. It is an antidote for heavy metal poisoning. It is also used to treat toxic hepatitis, thrombocytopenia, and skin ulcers, and can prevent Hepatic necrosis has the effect of treating tracheitis and reducing phlegm.
2. Food: used as nutritional supplements and raw materials for flavors and fragrances (antioxidants, dough leavening agents, bread improver, etc.).
3. In terms of daily chemicals, it can also be used as a raw material for whitening cosmetics, sunscreen cream, ,non-toxic , trichogenous and side effects hair dyeing and perm preparations, etc.
4. Cysteine hydrochloride is soluble in water and can be quickly absorbed by the human body when it is made into injections or tablets. It is the main raw material for the production of S-Carboxymethyl-L-Cysteine and N-acetyl- L-Cysteine.
Item |
Specification |
Result |
Appearance |
White crystalline powder |
Conforms |
Specific rotation [α]D20 |
+5.5°~+7.0° |
6.3 |
State of solution (Transmittance) |
NLT 98.0% |
98.85% |
Chloride |
19.89~20.29% |
20.15% |
Ammonium |
NMT 0.02% |
0.014% |
Sulfate |
NMT 0.02% |
0.015% |
Iron |
NMT 10ppm |
3ppm |
Heavy metals (as Pb) |
NMT 10ppm |
3ppm |
Arsenic |
NMT 1ppm |
0.15ppm |
Other amino acids |
Chromatographically not detectable |
Conforms |
Loss on drying |
8.5~12.0% |
10.97% |
Residue on ignition |
NMT 0.10% |
0.06% |
Assay |
99.0~100.5% |
99.8% |
pH |
1.5~2.0 |
1.71 |
There are several Related Products available. Here are a few of the most common types:
Carbocisteine : This product resist acne,cure of chronic tracheitis,emphysema and pulmonary,hair finishing agent and adjusting agent,anti inflammation,etc.
L-Cystine : This product promote the oxidation and the proliferation of white blood cells,make the liver function vigorous,treat dysentery,typhoid fever,influenza,asthma neuralgia and various toxic diseases,etc
N-Acetyl-L-Cysteine : This product is antioxidants,antidote,and anti-inflammation,cure chronic bronchitis and dissolve white viscous sputum,remove cough,protect liver,etc.
Taurine : This product is anti inflammation and antioxidant,enhance immunization function,treatment of rheumatoid arthritis,bronchitis,protect liver,relief heat from the body,etc.