Цистеин-L гидрохлорид моногидрат

Химические свойства

white crystalline powder

Использование

L-Cysteine hydrochloride monohydrate is used as a precursor in food, pharmaceutical and personal care products. It is actively involved in the production of flavors such as meat flavor obtained by reacting with sugars. It plays an important role as a key raw material for the manufacture of N-acetyl-L-cysteine, S-carboxymethyl-L-cysteine and L-cysteine base. It is involved in the treatment of liver disease as an antioxidant and antidote. Being an essential amino acid, it used as animal feed especially for sheep, which is responsible the growth of wool.

Определение

ChEBI: A hydrate that is the monohydrate form of L-cysteine hydrochloride.

Общее описание

This product is supplied from Wacker FERMOPURE^? material, but is sold for R&D use only, not for drug, household or other uses.

Методы очистки

Likely impurities are cystine and tyrosine. Crystallise the salt from MeOH by adding diethyl ether, or from hot 20% HCl. Dry it under vacuum over P2O5. Hygroscopic. [Beilstein 4 III 1580, 1600.]