磺胺甲基嘧啶游离酸

Name: 磺胺甲基嘧啶游离酸
Brand: 济南圣和化工有限公司

CAS 127-79-7C11H12N4O2SMW 264.31

磺胺甲基嘧啶游离酸（CAS 127-79-7）属有机化学品类产品，分子式 C11H12N4O2S，分子量 264.31。济南圣和化工有限公司常年现货供应该产品，常规纯度按批次COA提供(不公开发布)，可按客户需求安排分装包装，欢迎邮件或来电询价。

产品概览

CAS号	127-79-7
分子式	C11H12N4O2S
分子量	264.31
熔点	236
LogP	0.14
纯度	按批次COA提供(不公开发布)
包装	按订单/批次确认(不公开发布)
应用领域	有机化学品
类别	有机化学品

应用领域

有机化学品

该产品的下游应用集中在有机化学品。不同客户工艺差异较大，我们支持按需提供样品与小批量试用。

包装与储存

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

运输常规化工运输

样品可协商提供

交期现货/按订单安排

采购提示：本产品按按订单/批次确认(不公开发布)起订发货，收到货物后请先核对包装完好性再行入库。储存条件为阴凉干燥、密封保存；如需 MSDS 或运输说明，可在询价时一并索取。

质量与文件

每批产品随货提供 COA（分析证书）；可按需提供 MSDS/技术数据表及第三方检测报告。纯度与包装以批次 COA 及订单确认为准。

关于供应商

作为化工原料供应服务商，济南圣和化工有限公司长期服务于化工贸易、食品添加、医药中间体、日化原料等行业的采购需求。除磺胺甲基嘧啶游离酸外，您还可以在站内按 CAS 号或产品分类检索更多品类，获取规格与报价。

常见问题

磺胺甲基嘧啶游离酸的 CAS 号是多少？

磺胺甲基嘧啶游离酸的 CAS 号为 127-79-7。

该产品的纯度和包装规格是什么？

常规纯度规格为按批次COA提供(不公开发布)，包装为按订单/批次确认(不公开发布)，随货提供 COA。

磺胺甲基嘧啶游离酸有什么用途？

主要应用于有机化学品。

如何购买或获取报价？

请发送邮件至 info@591daili.com 或通过 WhatsApp 联系，注明产品名称、CAS 号与需求数量，一个工作日内回复报价。供应商：济南圣和化工有限公司。

PubChem 公开数据

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 Å² [M-H]-
Collision Cross Section	157.53 Å² [M+H]+

Physical description & handling notes

Solid
156.3 Å² [M+H]+ [CCS Type: TW; Method: calibrated with polyalanine and drug standards]
154.8 Å² [M+H]+ [CCS Type: TW]
168.3 Å² [M+Na]+ [CCS Type: TW; Method: calibrated with Waters Major Mix]
159 Å² [M+H]+ [CCS Type: TW; Method: calibrated with Waters Major Mix]
155.14 Å² [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%)

This chemical does not meet GHS hazard criteria for 2% (1 of 51) of reports.

H315 (94.1%): Causes skin irritation [Warning Skin corrosion/irritation]

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.