Biotin impurities and related standards

11 reference standards related to Biotin held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.

CAS numbers are listed for 11 of 11; 11 entries carry a structure drawing.

Biotin — related standards
Compound	CAS No.	Catalogue No.	Formula	MW
Biotin EP Impurity F	101469-35-6	RS-B005001	C29H36N2O5S	524.67
Biotin EP Impurity A	1163708-46-0	RS-B005002	C18H28N4O4S2	428.57
Biotin Impurity 1	171232-73-8	RS-B005003	C19H18N2O2S	338.42
Biotin Impurity 2	21788-37-4	RS-B005004	C10H16N2O3S	244.31
Biotin Impurity 18	23015-53-4	RS-B005005	C10H16N2O4S	260.31
Biotin Impurity 12	26339-40-2	RS-B005006	C19H18N2O5	354.36
Biotin Impurity 19	33607-60-2	RS-B005007	C24H28N2O3S	424.56
Biotin EP Impurity G Bromide	33719-11-8	RS-B005008	C22H25N2OS.Br	445.4
Biotin EP Impurity D	415725-35-8	RS-B005009	C11H18N2O3S	258.34
Biotin EP Impurity B	57671-79-1	RS-B005010	C11H16N2O5S	288.32
Biotin Impurity 20	87573-52-2	RS-B005011	C12H20N2O3S	272.36

Structures

Biotin EP Impurity F

CAS 101469-35-6RS-B005001
COA per lot
Biotin EP Impurity A

CAS 1163708-46-0RS-B005002
COA per lot
Biotin Impurity 1

CAS 171232-73-8RS-B005003
COA per lot
Biotin Impurity 2

CAS 21788-37-4RS-B005004
COA per lot
Biotin Impurity 18

CAS 23015-53-4RS-B005005
COA per lot
Biotin Impurity 12

CAS 26339-40-2RS-B005006
COA per lot
Biotin Impurity 19

CAS 33607-60-2RS-B005007
COA per lot
Biotin EP Impurity G Bromide

CAS 33719-11-8RS-B005008
COA per lot

Cannot find the impurity you need? Non-compendial impurities can be quoted from a structure — a CAS number is not required. Write to [email protected].