| Product Name | α-Chymotrypsinogen A from bovine pancreas, essentially salt-free, lyophilized powder |
| Product Number | C4879 |
| Product Brand | SIGMA |
| CAS Number | 9035-75-0 |
| TEST | SPECIFICATION |
| Appearance (Color) | White to Off-White |
| Appearance (Form) | Powder |
| Solubility (Color) | Colorless |
| 10 mg/ml in 0.001M HCl | |
| Solubility (Turbidity) | Clear |
| 10 mg/ml in 0.001 M HCl | |
| units/mg solid | ≥40 |
| (After activation to Chymotrypsin) One unit will | |
| hydrolyze 1.0 micromole of N-Benzoyl-L-Tyrosine | |
| Ethyl Ester (BTEE) per minute at pH 7.8 at 25 deg | |
| C. | |
| units/mg solid | ≤1 |
| (prior to activation) | |