活力：≥200units/g solid
活力定义：One unit will liberate 1.0 mg of N-acetyl-D-glucosamine from chitin per hour at pH 6.0 at 25 °C in a 2 hour assay（One new 1 hour unit = approx. 50 old 48 hour units）
性状：粉末，Essentially salt free
用途：生化研究。催化几丁质水解生成N-乙酰葡糖胺反应的酶。
| 几丁质酶 | Chitinase from Serratia marcescens BR | 25U | ¥3400 |
| 几丁质酶 | Chitinase from Serratia marcescens BR | 5U | ¥1400 |
