磺胺甲基嘧啶游离酸

Description

sulfamerazine free acid · CAS 127-79-7 · C11H12N4O2S. UNII UR1SAB295F. Melting Point: 236; Melting Point: 236 °C; Solubility: 202.

Identification

CAS Registry Number	127-79-7
PubChem CID	5325
Molecular formula	C11H12N4O2S
IUPAC name	4-amino-N-(4-methylpyrimidin-2-yl)benzenesulfonamide
UNII (FDA)	UR1SAB295F

Computed Descriptors

Molecular Weight	264.31
XLogP3	0.1
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	6
Rotatable Bond Count	3
Exact Mass	264.06809681
Monoisotopic Mass	264.06809681
Topological Polar Surface Area	106
Heavy Atom Count	18
Formal Charge	0

Physical & Chemical Properties

Melting Point	236
Melting Point	236 °C
Solubility	202
Solubility	3.04e-01 g/L
LogP	0.14
LogP	-0.08
Collision Cross Section	161.33 Ų [M-H]-
Collision Cross Section	157.53 Ų [M+H]+

Physical description & handling notes

• Solid
• 156.3 Ų [M+H]+ [CCS Type: TW; Method: calibrated with polyalanine and drug standards]
• 154.8 Ų [M+H]+ [CCS Type: TW]
• 168.3 Ų [M+Na]+ [CCS Type: TW; Method: calibrated with Waters Major Mix]
• 159 Ų [M+H]+ [CCS Type: TW; Method: calibrated with Waters Major Mix]
• 155.14 Ų [M+H]+ [CCS Type: TW; Method: calibrated with polyalanine and drug standards]

Regulatory Status

GHS notification summary	2% (1 / 51)

GHS Hazard Classification

GHS notification summary	2% (1 / 51)
Reported hazard statements	H315 (94.1%), H319 (94.1%), H335 (92.2%)

Documented Uses

• Animal Drugs -> FDA Approved Animal Drug Products (Green Book) -> Active Ingredients
• Pharmaceuticals -> Animal Drugs -> Approved in Taiwan
• Benzenesulfonamide, 4-amino-N-(4-methyl-2-pyrimidinyl)-: INACTIVE
• A sulfanilamide that is used as an antibacterial agent. It can be used to treat bronchitis, prostatitis and urinary tract infections.
• Substances that inhibit the growth or reproduction of BACTERIA.
• D06 - Antibiotics and chemotherapeutics for dermatological use

Synonyms

sulfamerazine; 127-79-7; Sulphamerazine; Sulfamethyldiazine; 4-amino-N-(4-methylpyrimidin-2-yl)benzenesulfonamide; Mesulfa; Percoccide; Benzenesulfonamide, 4-amino-N-(4-methyl-2-pyrimidinyl)-; Septacil; Septosyl; Solumedin; 2-Sulfa-4-methylpyrimidine; N-(4-Methyl-2-pyrimidyl)sulfanilamide; 2-(Sulfanilamido)-4-methylpyrimidine; 2-(4-Aminobenzenesulfonamido)-4-methylpyrimidine; 4-Amino-N-(4-methyl-2-pyrimidinyl)-benzenesulfonamide

Frequently Asked Questions

What are the CAS number and molecular formula of sulfamerazine free acid?

CAS 127-79-7; molecular formula C11H12N4O2S; molecular weight — g/mol.

What other names is sulfamerazine free acid known by?

sulfamerazine, 127-79-7, Sulphamerazine, Sulfamethyldiazine, 4-amino-N-(4-methylpyrimidin-2-yl)benzenesulfonamide, Mesulfa.

Is sulfamerazine free acid classified as hazardous?

2% of GHS notifications report no hazard classification (1 of 51).

What are the key physical properties of sulfamerazine free acid?

Melting Point: 236; Melting Point: 236 °C; Solubility: 202; Solubility: 3.04e-01 g/L.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.