头孢匹林

Q: 头孢匹林 的 CAS 号是多少？

头孢匹林 的 CAS 登记号为 21593-23-7。

Q: 头孢匹林 属于哪个分类？

所属分类：医药中间体及原料药。

CAS 21593-23-7C17H17N3O6S2MW 423.5

头孢匹林（CAS 21593-23-7）：分子式 C17H17N3O6S2、分子量 423.5；类别医药中间体及原料药。

产品描述

头孢匹林（CAS 21593-23-7）是一种医药中间体及原料药原料。其分子式 C17H17N3O6S2 由 17 个碳、17 个氢、3 个氮、6 个氧、2 个硫组成。分子量约为 423.5。公开物性数据显示其LogP 约 -1.15。作为化工品采购代理与分销渠道，我们可在国内及跨境渠道为头孢匹林寻源比价，并安排小批量试样与批次采购；下单前提供完整 COA、质检报告与合规文件，验收以批次 COA 为准。

规格参数

CAS号21593-23-7

分子式C17H17N3O6S2

分子量423.5

LogP-1.15

应用领域MEDICATION、Methods of Manufacturing: 7-AMINOCEPHALOSPORANIC ACID、PREPD FROM NATURAL ANTIBIOTIC CEPHALOSPORIN C ... IS ACYLATED ... IN APPROPRIATE DEHYDROCHLORINATING ENVIRONMENT、& RESULTING CEPHAPIRIN (ACID) IS CONVERTED INTO ITS SODIUM SALT BY INTERACTION WITH SODIUM 2-ETHYLHEXANOATE IN SUITABLE ORG SOLVENT. /CEPHARIRIN SODIUM/、Formulations/Preparations: Cefadyl sodium is available in 500 mg、20g

类别医药中间体及原料药

用途与场景

登记用途：MEDICATION、Methods of Manufacturing: 7-AMINOCEPHALOSPORANIC ACID、PREPD FROM NATURAL ANTIBIOTIC CEPHALOSPORIN C ... IS ACYLATED ... IN APPROPRIATE DEHYDROCHLORINATING ENVIRONMENT、& RESULTING CEPHAPIRIN (ACID) IS CONVERTED INTO ITS SODIUM SALT BY INTERACTION WITH SODIUM 2-ETHYLHEXANOATE IN SUITABLE ORG SOLVENT. /CEPHARIRIN SODIUM/、Formulations/Preparations: Cefadyl sodium is available in 500 mg、20g。

采购档案

这个产品是什么

头孢匹林是一种医药中间体或原料药类化合物，登记 CAS 号为 21593-23-7，分子式 C17H17N3O6S2（分子量 423.5），归属于医药中间体及原料药大类化工原料。

识别信息

登记 CAS 号：21593-23-7

其分子式 C17H17N3O6S2 由 17 个碳、17 个氢、3 个氮、6 个氧、2 个硫组成。

别名/同义词：头孢匹林 · cephapirin

所属分类：医药中间体及原料药

常见问题

头孢匹林的 CAS 号是多少？

头孢匹林的 CAS 登记号为 21593-23-7。

头孢匹林的分子式与分子量是多少？

分子式 C17H17N3O6S2，分子量 423.5。

头孢匹林还有哪些别名？

别名/同义词：头孢匹林、cephapirin。

头孢匹林的登记用途是什么？

头孢匹林属于哪个分类？

所属分类：医药中间体及原料药。

如何在 591daili.cn 采购头孢匹林？

请在联系页面提交产品名称、CAS 号与数量，我们作为采购代理在国内及跨境渠道为您寻源比价，安排试样与批次采购，下单前提供 COA 与合规文件。

包装与单证

包装按订单确认，从实验室小包装到吨袋大货，随订单安排而非在页面上写死。每批随货附 COA 分析证书，可另提供 MSDS；若终端用途带有法规限度（食品接触、药品或化妆品），请在询价时说明执行标准，等级按该标准确定。

PubChem 公开数据

头孢匹林（CAS 21593-23-7）的公开数据库记录，列此仅供独立核对。

危险化学品分类与危害说明

Reported hazard statements	H317 (14.6%), H334 (100%)

H317 (14.6%): May cause an allergic skin reaction [Warning Sensitization, Skin]

H334 (100%): May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]

物理形态与操作说明

Solid
SOL IN WATER /CEPHAPIRIN SODIUM/
VERY SOL IN DIL HYDROCHLORIC & GLACIAL ACETIC ACID; INSOL IN CHLOROFORM, ETHER, TOLUENE /CEPHAPIRIN SODIUM/
STABLE DRY STATE FOR 18 MO @ ROOM TEMP /CEPHAPIRIN SODIUM/
Solutions containing cephapirin sodium 50 to 600 mg/ml in water for injection are stable for 12 hr at 25 °C or 10 days at 4 °C. /Cephapirin sodium/
If frozen immediately after reconstitution with sterile water for injection, bacteriostatic water for injection, 0.9% sodium chloride injection, or 5% dextrose injection, solutions retain their potency for up to 60 days at -15 °C (5 °F). After thawing at room temperature, solutions retain their potency for 12 hours at room temperature or for 10 days if refrigerated at 4 °C (39 °F).

公开数据库收录的理化数据

溶解度	1030
溶解度	1.51e-01 g/L
LogP	-1.15
LogP	-0.1
LogP	-0.15
Dissociation Constants	2.15

这个物质在各数据库里的编号

CAS Registry Number	21593-23-7
PubChem CID	30699
分子式	C17H17N3O6S2
IUPAC 名称	(6R,7R)-3-(acetyloxymethyl)-8-oxo-7-[(2-pyridin-4-ylsulfanylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
UNII（FDA）	89B59H32VN

数据库记载的用途

7-AMINOCEPHALOSPORANIC ACID, PREPD FROM NATURAL ANTIBIOTIC CEPHALOSPORIN C ... IS ACYLATED ... IN APPROPRIATE DEHYDROCHLORINATING ENVIRONMENT, & RESULTING CEPHAPIRIN (ACID) IS CONVERTED INTO ITS SODIUM SALT BY INTERACTION WITH SODIUM 2-ETHYLHEXANOATE IN SUITABLE ORG SOLVENT. /CEPHARIRIN SODIUM/
For treatment of infections caused by susceptible bacteria.
Cephalosporins are still useful as alternatives to penicillins for a variety of infections in patients who can't tolerate penicillins. These include streptococcal and staphylococcal infections.
BACTERIA SUSCEPTIBLE TO CEPHALOTHIN /BOTH GRAM POSITIVE & GRAM-NEGATIVE MICROORGANISMS/ ARE SENSITIVE OVER APPROX SAME RANGE OF CONCN TO ... CEPHAPIRIN. ... CEPHAPIRIN IS SOMEWHAT MORE INHIBITORY THAN CEPHALOTHIN FOR GROUP-A STREP PYOGENES & PNEUMOCOCCUS.
CEPHAPIRIN IS ONE OF NEWEST SEMISYNTHETIC CEPHALOSPORINS. ... LIKE OTHER CEPHALOSPORINS, CEPHAPIRIN SHOULD BE RESERVED FOR THOSE INSTANCES IN WHICH ORGANISM IS SENSITIVE TO IT & PATIENT IS HYPERSENSITIVE TO PENICILLIN.
For more Therapeutic Uses (Complete) data for CEPHAPIRIN (10 total), please visit the HSDB record page.

它在各数据库里的别名

cephapirin; Cefapirin; 21593-23-7; Cephapirine; Cefaprin; Cefapirina; Cefapirine; Cefapirinum; CEPR; 7-(2-(4-Pyridylthio)acetamido)cephalosporanic acid; CHEBI:554446; 89B59H32VN; DTXSID9022784; Cephalosporanic acid, 7-(2-(4-pyridylthio)acetamido)-; RefChem:54749; DTXCID602784

计算机算出的分子描述符

分子量	423.5
XLogP3	-1.1
氢键供体数	2
氢键受体数	9
可旋转键数	8
精确质量	423.05587762
单同位素质量	423.05587762
拓扑极性表面积	177
重原子数	28
形式电荷	0

数据库摘要

cephapirin · CAS 21593-23-7 · C17H17N3O6S2. UNII 89B59H32VN. 溶解度: 1030; 溶解度: 1.51e-01 g/L; LogP: -1.15.

数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。

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