meloxicam and its Impurities
Meloxicam used to treat pain and inflammation in rheumatic diseases and osteoarthritis. It is sold under the brand name Mobic. However is also available as a generic medication. Reference standards of Meloxicam API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

![[N(Z)]-N-(3,5-Dimethyl-2(3H)-thiazolylidene)-4-hyd PA STI 035100](https://www.pharmaffiliates.com/pimages/PASTI035100.jpg)
[N(Z)]-N-(3,5-Dimethyl-2(3H)-thiazolylidene)-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxamide 1,1-Dioxide-d3
[N(Z)]-N-(3,5-Dimethyl-2(3H)-thiazolylidene)-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxamide 1,1-Dioxide-d3
Catalogue No.:PA STI 035100
CAS :
2734701-37-0
Molecular Formula : C15H12D3N3O4S2
Molecular Weight : 368.45


Meloxicam Related Compound A (ethyl-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate- 1,1-diox (1379412)
Meloxicam Related Compound A (ethyl-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate- 1,1-diox (1379412)
Catalogue No.:PA USP1379412
CAS :
24683-26-9
Molecular Formula : NA
Molecular Weight : NA


Meloxicam Related Compound C (Isopropyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate-1,1-d (1379434)
Meloxicam Related Compound C (Isopropyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate-1,1-d (1379434)
Catalogue No.:PA USP1379434
CAS :
NA
Molecular Formula : NA
Molecular Weight : NA


N-(3,5-Dimethylthiazol-2(3H)-ylidene)-4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxamide 1,1-dioxide
N-(3,5-Dimethylthiazol-2(3H)-ylidene)-4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxamide 1,1-dioxide
Catalogue No.:PA 13 0141010
CAS :
1145656-36-5
Molecular Formula : C15H15N3O4S2
Molecular Weight : 365.42


N-(3-Ethyl-5-methylthiazol-2(3H)-ylidene)-4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxamide 1,1-dioxide
N-(3-Ethyl-5-methylthiazol-2(3H)-ylidene)-4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxamide 1,1-dioxide
Catalogue No.:PA 13 0141011
CAS :
1331636-17-9
Molecular Formula : C16H17N3O4S2
Molecular Weight : 379.45