盐酸头孢噻呋，CAS 登记号 103980-44-5，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于医药中间体及原料药。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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Ceftiofur hydrochloride · CAS 103980-44-5 · C19H18ClN5O7S3. UNII 6822A07436.
| CAS Registry Number | 103980-44-5 |
|---|---|
| PubChem CID | 9937686 |
| Molecular formula | C19H18ClN5O7S3 |
| IUPAC name | (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-(furan-2-carbonylsulfanylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;hydrochloride |
| UNII (FDA) | 6822A07436 |
| Molecular Weight | 560.0 |
|---|---|
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 13 |
| Rotatable Bond Count | 9 |
| Exact Mass | 559.0056891 |
| Monoisotopic Mass | 559.0056891 |
| Topological Polar Surface Area | 256 |
| Heavy Atom Count | 35 |
| Formal Charge | 0 |
| Complexity | 945 |
| Regulatory & Food Contact | ANTIMICROBIAL_AGENT: Veterinary Drug Upper limit temporary value: 0-0.05 mg/kg bw/d TRS 879-JECFA 48/11 FAS 36-JECFA 45/61 |
|---|---|
| GHS notification summary | 1.1% (1 / 90) |
| GHS notification summary | 1.1% (1 / 90) |
|---|---|
| Reported hazard statements | H317 (60%), H334 (98.9%), H373 (38.9%) |
This chemical does not meet GHS hazard criteria for 1.1% (1 of 90) of reports.
H317 (60%): May cause an allergic skin reaction [Warning Sensitization, Skin]
Ceftiofur hydrochloride; 103980-44-5; Ceftiofur HCl; Excenel; Ceftiofur monohydrochloride; U-64279A; NSC-759845; DTXSID101034300; 6822A07436; Spectramast; Spectramast DC; Spectramast LC; Cefenil RTU; EXCENEL RTU EZ; RefChem:54738; Spectramast DC Sterile Suspension
CAS 103980-44-5; molecular formula C19H18ClN5O7S3; molecular weight — g/mol.
Ceftiofur hydrochloride, 103980-44-5, Ceftiofur HCl, Excenel, Ceftiofur monohydrochloride, U-64279A.
Documented regulatory listings: ANTIMICROBIAL_AGENT: Veterinary Drug; Upper limit temporary value: 0-0.05 mg/kg bw/d; TRS 879-JECFA 48/11.
1.1% of GHS notifications report no hazard classification (1 of 90).
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.