Sulfadimidine

Sulfadimidine or sulfamethazine is a sulfonamide antibacterial.

Sulfamethazine

Clinical data
AHFS/Drugs.com	International Drug Names
ATC code	J01EB03 (WHO) QJ01EQ03 (WHO) QP51AG01 (WHO) QP51AG51 (WHO)
Identifiers
IUPAC name 4-amino-N-(4,6-dimethylpyrimidin-2-yl) benzene-1-sulfonamide
CAS Number	57-68-1 Y
PubChem CID	5327
DrugBank	DB01582 Y
ChemSpider	5136 Y
UNII	48U51W007F
KEGG	D02436 Y
ChEBI	CHEBI:102265 Y
ChEMBL	ChEMBL446 Y
NIAID ChemDB	027749
CompTox Dashboard (EPA)	DTXSID6021290
ECHA InfoCard	100.000.315
Chemical and physical data
Formula	C12H14N4O2S
Molar mass	278.33 g·mol−1
3D model (JSmol)	Interactive image
Melting point	176 °C (349 °F)
SMILES O=S(=O)(Nc1nc(cc(n1)C)C)c2ccc(N)cc2
InChI InChI=1S/C12H14N4O2S/c1-8-7-9(2)15-12(14-8)16-19(17,18)11-5-3-10(13)4-6-11/h3-7H,13H2,1-2H3,(H,14,15,16) Y Key:ASWVTGNCAZCNNR-UHFFFAOYSA-N Y
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There are non-standardized^a abbreviations for it as "sulfadimidine" (abbreviated SDI^[1][2] and more commonly but less reliably^b SDD^[3][4]) and as "sulfamethazine" (abbreviated SMT^[5][6] and more commonly but less reliably^c SMZ^[7][8]). Other names include sulfadimerazine, sulfadimezine, and sulphadimethylpyrimidine.^{[citation needed]}