Collagenase Availability

List last updated: July 1, 2025 at 18:22:47

The following lists are updated daily. While there is no guarantee that every lot shown is still available, it is likely that the material you wish to buy is currently still on inventory. You may e-mail Customer Service or call 800-445-9603 fom the US or Canada or 732-942-1660 from all other countries to get up to the minute inventory status on any lot.

If you are unfamiliar with the assay values shown in the charts, please see our Collagenase Manual page.

**CLSAFA Collagenase (Animal Origin Free) - A**
Lot Number	u/mg dw	u/mg dw Caseinase	u/mg dw Clostripain	u/mg dw Tryptic	A280nm @ 1 mg/ml
44D14883WH	210	195	4.00	0.37	2.58
X0J20407CQ	300	265	2.70	0.19	1.24
X0J20408B	315	265	3.01	0.31	1.29

**CLSAFB Collagenase (Animal Origin Free) - B**
Lot Number	u/mg dw	u/mg dw Caseinase	u/mg dw Clostripain	u/mg dw Tryptic	A280nm @ 1 mg/ml
SX2C13348Q	315	335	2.99	0.17	1.98
X0H20298	400	410	2.68	0.23	1.36
X0H20299	375	375	2.27	0.19	1.38

**CLSAFC Collagenase (Animal Origin Free) - C**
Lot Number	u/mg dw	u/mg dw Caseinase	u/mg dw Clostripain	u/mg dw Tryptic	A280nm @ 1 mg/ml
X0H20301	360	420	1.41	0.05	1.34
X0H20302	390	485	1.64	0.05	1.33
X0H20303H	370	575	1.70	0.06	1.27

**CLS-1 Collagenase, Type 1**
Lot Number	u/mg dw	u/mg dw Caseinase	u/mg dw Clostripain	u/mg dw Tryptic	A280nm @ 1 mg/ml
44N24862	340	495	2.38	0.15	2.47
44N24865	270	390	2.13	0.23	2.39
S4K24691	205	230	2.48	0.22	1.72

**CLS-2 Collagenase, Type 2**
Lot Number	u/mg dw	u/mg dw Caseinase	u/mg dw Clostripain	u/mg dw Tryptic	A280nm @ 1 mg/ml
44P24929	275	410	4.77	0.77	1.99
44S24959	300	520	4.78	0.57	2.13
45A25041	265	550	5.18	0.71	1.96
45E25264	260	660	5.53	0.54	2.03

**CLS-3 Collagenase, Type 3**
Lot Number	u/mg dw	u/mg dw Caseinase	u/mg dw Clostripain	u/mg dw Tryptic	A280nm @ 1 mg/ml
43D23490	260	61.2	0.44	0.02	0.97
44E24541	265	150	0.67	0.034	0.95
45A25002	210	185	0.54	0.03	0.97

**CLS-4 Collagenase, Type 4**
Lot Number	u/mg dw	u/mg dw Caseinase	u/mg dw Clostripain	u/mg dw Tryptic	A280nm @ 1 mg/ml
45A25056	290	215	0.75	0.04	2.79
45B25079	280	180	0.92	0.06	2.83
45B25097	250	130	0.76	0.03	2.73

**CLS-5 Collagenase, Type 5**
Lot Number	u/mg dw Collagenase	u/mg dw Caseinase	u/mg dw Clostripain	u/mg dw Tryptic	A280nm @ 1 mg/ml	u/mg dw FALGPA
44P24918A	505	585	3.97	0.10	1.04	0.70
X1A20990	695	985	3.12	0.11	1.19	1.09

**CLS-6 Collagenase, Type 6**
Lot Number	u/mg dw	u/mg dw Caseinase	u/mg dw Clostripain	u/mg dw Tryptic	u/mg dw FALGPA	A280nm @ 1 mg/ml
X4P24916A	750	1,140	2.61	0.04	1.29	3.92
X4P24916B	655	1,020	2.24	0.04	1.14	3.85
X4P24916C	670	1,030	2.13	0.03	1.04	3.83

**CLS-7 Collagenase, Type 7**
Lot Number	u/mg dw	u/mg dw Caseinase	u/mg dw Clostripain	u/mg dw Tryptic	u/mg dw FALGPA	A280nm @ 1 mg/ml
F2J22700N	1,440	2,540	5.22	0.24	2.64	1.13
F2J22719N	1,700	2,790	5.78	0.23	3.56	1.18

**CLSS-1 Collagenase, Type 1, Filtered**
Lot Number	u/mg dw	u/vial (50 mg)	u/vial (1 gm)	u/vial (100 mg)	u/mg dw Caseinase	u/mg dw Clostripain	u/mg dw Tryptic	A280nm @ 1 mg/ml	Colony Count	Fill Amount (50 mg)	Fill Amount (100 mg)	Fill Amount (1 gm)
54K15131N	198	N/A	261,250	N/A	330	1.52	0.06	1.58	No cfu's detected	N/A	N/A	1,320
55A15492	265	N/A	288,020	N/A	329	2.29	0.23	1.82	No cfu's detected	N/A	N/A	1,087

**CLSS-2 Collagenase, Type 2, Filtered**
Lot Number	u/mg dw	u/vial (50 mg)	u/vial (1 gm)	u/mg dw Caseinase	u/mg dw Clostripain	u/mg dw Tryptic	A280nm @ 1 mg/ml	Colony Count	Fill Amount (50 mg)	Fill Amount (1 gm)
53E23542	333	N/A	383,040	453	4.56	0.21	1.69	No cfu's detected	N/A	1,152

**CLSS-3 Collagenase, Type 3, Filtered**
Lot Number	u/mg dw	u/vial	u/mg dw Caseinase	u/mg dw Clostripain	u/mg dw Tryptic	A280nm @ 1 mg/ml	Colony Count	Fill Amount
52D22446	209	13,570	125	0.33	0.02	1.09	No cfu's detected	65

**CLSS-5 Collagenase, Type 5, Filtered**
Lot Number	u/mg dw	u/vial (50 mg)	u/vial (1 gm)	u/mg dw Caseinase	u/mg dw Clostripain	u/mg dw Tryptic	A280nm @ 1 mg/ml	Colony Count	Fill Amount (50 mg)	Fill Amount (1 gm)	u/mg dw FALGPA
X4P15356	509	N/A	573,460	510	2.29	0.17	1.52	No cfu's detected	N/A	1,126
X5C25113	540	33,480		1,031	2.52	0.14	1.20	No cfu's detected	62		0.89