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penicillin X

penicillin X structure

CAS No.: 525-91-7

Chemical Name:: penicillin X

Synonyms: penicillin X;Penicillin III;Rocobromide impurity 7;Penicillin Ep impurity C;4-Hydroxybenzylpenicillin;Penicillin x (penicillin impurity 1);Benzylpenicillin Potassium EP impurity C;6α-[(4-Hydroxyphenyl)acetylamino]penicillanic acid;Benzathine Benzylpenicillin Impurity 7 (Benzylpenicillin(Benzathine) Tetrahydrate EP Impurity G);(2S,5β)-6α-[[(4-Hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2β-carboxylic acid

CBNumber:: CB61313826

Molecular Formula:: C16H18N2O5S

Molecular Weight:: 350.39

MDL Number:: MFCD01682097

MOL File:: 525-91-7.mol

MSDS File:: SDS

Last updated:2026-05-28 02:12:09

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penicillin X Properties

storage temp.	-20°C
InChI	1S/C16H18N2O5S/c1-16(2)12(15(22)23)18-13(21)11(14(18)24-16)17-10(20)7-8-3-5-9(19)6-4-8/h3-6,11-12,14,19H,7H2,1-2H3,(H,17,20)(H,22,23)/t11-,12+,14-/m1/s1
InChIKey	AZCVBVRUYHKWHU-MBNYWOFBSA-N
SMILES	S1[C@H]2N([C@H](C1(C)C)C(=O)O)C(=O)[C@H]2NC(=O)Cc3ccc(cc3)O
FDA UNII	W097A2S1DU
UNSPSC Code	41116107
NACRES	NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS08
Signal word	Danger
Hazard statements	H317-H334
Precautionary statements	P261-P272-P280-P284-P302+P352-P333+P313
WGK Germany	WGK 3
Storage Class	11 - Combustible Solids
Hazard Classifications	Resp. Sens. 1 Skin Sens. 1

penicillin X price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	Y0002171	Procaine benzylpenicillin impurity F European Pharmacopoeia (EP) Reference Standard	525-91-7	25 μg	$164	2026-04-30	Buy
American Custom Chemicals Corporation	API0016196	PENICILLIN X 95.00%	525-91-7	5MG	$497.86	2021-12-16	Buy

Product number	Packaging	Price	Buy
Y0002171	25 μg	$164	Buy
API0016196	5MG	$497.86	Buy

penicillin X Chemical Properties, Uses, Production

Uses

Penicillin X is the penicillin of choice in the treatment of infections with pneumococcus Type I and hemolytic streptococci. 6.

Definition

ChEBI: Penicillin X is a penicillin.

penicillin X Preparation Products And Raw materials

Raw materials

Preparation Products

penicillin X Suppliers

Global Suppliers ( 19)

Supplier	Tel	Email	Country	ProdList	Advantage
S.Z. PhyStandard Bio-Tech. Co., Ltd.	0755-4000505016 13380397412	3001272453@qq.com	China	5000	50
TOSUN PHARM	020-66392521-118 18922260391	3004261881@qq.com	China	7994	58
Tianjin shijia biomedical technology co., LTD	15022261580	tjshj1212@163.com	China	2749	58
Shandong WorldSun Biological Technology Co., Ltd.	0531-88723173 18596073690	1047208234@qq.com	China	8168	58
Hubei Xinyang Medical Technology Co., Ltd	15347293736	2853117764@yongstandards.com	China	9999	58
Cato Research Chemicals Inc.	020-81960175-877 18933936954	tianwen.zhan@cato-chem.com	China	7335	58
Guangzhou Austine Biotechnology Co., LTD	15918640830 13268843209	1947181658@qq.com	China	9032	58
Wuhan Acumen Bio-Technology Co.,ltd	027-027-16602739303 16602739303	673003916@qq.com	China	4593	58
Shanghai jerryxing Biomedical Technology Co., Ltd	17521512546 17721492509	460170712@qq.com	China	4965	58
Hubei Rhema Reference Materials Technology Co., Ltd.	15787879035 15787875101	ydw9035@rmastandards.com	China	9997	58

Supplier	Advantage
S.Z. PhyStandard Bio-Tech. Co., Ltd.	50
TOSUN PHARM	58
Tianjin shijia biomedical technology co., LTD	58
Shandong WorldSun Biological Technology Co., Ltd.	58
Hubei Xinyang Medical Technology Co., Ltd	58
Cato Research Chemicals Inc.	58
Guangzhou Austine Biotechnology Co., LTD	58
Wuhan Acumen Bio-Technology Co.,ltd	58
Shanghai jerryxing Biomedical Technology Co., Ltd	58
Hubei Rhema Reference Materials Technology Co., Ltd.	58

View Latest Price from penicillin X manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2025-12-19	Penicillin x (penicillin impurity 1) 525-91-7		5mg	95%+	1000mg	Guangzhou Tosun Pharmaceutical Ltd

Penicillin x (penicillin impurity 1)
525-91-7
95%+
Guangzhou Tosun Pharmaceutical Ltd

525-91-7 (penicillin X) Related Search:

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TIMOXICILLIN

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penicillin X (2S,5β)-6α-[[(4-Hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2β-carboxylic acid 4-Hydroxybenzylpenicillin 6α-[(4-Hydroxyphenyl)acetylamino]penicillanic acid Penicillin III 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[[2-(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-, (2S,5R,6R)- Benzathine Benzylpenicillin EP Impurity GQ: What is Benzathine Benzylpenicillin EP Impurity G Q: What is the CAS Number of Benzathine Benzylpenicillin EP Impurity G Penicillin x (penicillin impurity 1) Benzylpenicillin Potassium EP impurity C Rocobromide impurity 7 Penicillin Ep impurity C Benzathine Benzylpenicillin Impurity 7 (Benzylpenicillin(Benzathine) Tetrahydrate EP Impurity G) 525-91-7