Reported in EPA TSCA Inventory.

Chymotrypsin, with the CAS NO.9004-07-3, is a digestive enzyme belonging to a super family of enzymes called serine proteases. It has the Synonyms of alfapsin; alphachymar; alpha-chymarophth; alpha-chymotrypsinfrombovinepancreas; avazyme; catarase; chymar; chymolase. It uses an active serine residue to perform hydrolysis on the C-terminal of the aromatic amino acids of other proteins. Chymotrypsin is a protease enzyme that cleaves on the C-terminous phenylalanine (F), tryptophan (W), and tyrosine (Y) on peptide chains. It has specificty for aromatic amino acids because of its hydrophobic pocket.

When you are using this chemical, please be cautious about it as the following:
1. In case of contact with eyes, rinse immediately with plenty of water and seek medical advic;
2. Wear suitable protective clothing;
3. Wear suitable protective clothing and gloves;
4. Avoid contact with skin;
5. Do not breathe dust;