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MAEM

MAEM structure

CAS No.: 84994-24-1

Chemical Name:: MAEM

Synonyms: Benzothiazol-2-yl (Z)-2-methoxyimino-2-(2-aminothiazole-4-yl)thioacetate;MAEM;AE active fat;Cefepime Impurity 5;Lauryl Sulfate Impurity 5;Benzenesulfonylchloride,3-bromo-9-methoxy-;2-Benzothiazolyl (αZ)-2-amino-α-(methoxyimino)-4-thiazoleacetate;Maem (2-Mercapto-Benzothiazol-2-Aminothiazole-4Yl-Methoxyimino Acetate);2-mercaptobenzothiazoly(Z)-(2-aminothiazole-4-yl)-2-methoxyimino acetate;(Z)-benzo[d]thiazol-2-yl 2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetate

CBNumber:: CB0165103

Molecular Formula:: C13H10N4O3S2

Molecular Weight:: 334.37

MDL Number:: MFCD00799968

MOL File:: 84994-24-1.mol

MSDS File:: SDS

Last updated:2026-05-27 17:20:46

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MAEM Properties

Boiling point	523.2±42.0 °C(Predicted)
Density	1.62±0.1 g/cm3(Predicted)
pka	1.30±0.10(Predicted)
CAS DataBase Reference	84994-24-1(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS08
Signal word	Danger
Hazard statements	H334
Precautionary statements	P261-P285-P304+P341-P342+P311-P501

MAEM price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
AHH	MT-16477	MAEM 97%		1g	$798	2026-05-26	Buy
American Custom Chemicals Corporation	APN0000325	BENZOTHIAZOL-2-YL-2-(2-AMINOTHIAZOLE-4-YL)-(Z)-2-METHOXYIMINO THIOACETATE 95.00%	84994-24-1	5MG	$499.07	2021-12-16	Buy

Product number	Packaging	Price	Buy
MT-16477	1g	$798	Buy
APN0000325	5MG	$499.07	Buy

MAEM Chemical Properties, Uses, Production

Uses

MAEM is a common pharmaceutical chemical intermediate, widely used in pharmaceutical research and development and production industries. It is an important intermediate for the production of antibiotics such as ceftriaxone sodium, ceftriaxone sodium, cefpodoxime proxetil, cefepime, cefmetamiproxil, and cefodizime.

MAEM Preparation Products And Raw materials

Raw materials

Preparation Products

MAEM Suppliers

Global Suppliers ( 138)

Supplier	Tel	Email	Country	ProdList	Advantage
Simagchem Corp.	86 592 2680277	sale@simagchem.com	China	430	55
Shanghai Huikai Chemical Technology Co., Ltd.	021-61995394 18916691159	chemicalsea@163.com	China	1970	58
Shanghai Meishui Chemical Technology Co., Ltd	021-60549325 18616193163		China	4518	56
HBCChem, Inc.	+1-510-219-6317	sales@hbcchem.com	United States	10628	60
Quality Control Solutions Ltd.	0755-66853366 13670046396	orders@qcsrm.com	China	18188	56
Lihe Wuhan New Chemical Materials Co., Ltd.	027-88395709		China	427	50
Chengdu RunZeBenTu Chemical Co., Ltd	028-88469284 18000562381;	rzbtsj@163.com	China	9939	56
ShangHai Siyan Biological Technology Co., Ltd.	021-50908862，442785678，326799392 18721037013	siyansales@126.com	China	9612	58
Shenzhen Simeiquan Biotechnology Co. Ltd	18126413629 0755-23311925 2355327053	abel@ycgmp.com	China	5101	58
Shenzhen Sendi Biological Technology Co., Ltd.	18124570582 TEL：0755-23574479 2355327139	siliao02@yccreate.com	China	6102	58

Supplier	Advantage
Simagchem Corp.	55
Shanghai Huikai Chemical Technology Co., Ltd.	58
Shanghai Meishui Chemical Technology Co., Ltd	56
HBCChem, Inc.	60
Quality Control Solutions Ltd.	56
Lihe Wuhan New Chemical Materials Co., Ltd.	50
Chengdu RunZeBenTu Chemical Co., Ltd	56
ShangHai Siyan Biological Technology Co., Ltd.	58
Shenzhen Simeiquan Biotechnology Co. Ltd	58
Shenzhen Sendi Biological Technology Co., Ltd.	58

View Latest Price from MAEM manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-09-02	MAEM 84994-24-1	$5.00	1KG	99%		Henan Fengda Chemical Co., Ltd
2025-12-19	Ceftriaxone Impurity 2 84994-24-1		10mg	90%+	10g	Guangzhou PI PI BIOTECH INC
2023-03-10	MAEM 84994-24-1		1kg	98%		LY Global chemicals co.,ltd .

MAEM
84994-24-1
$5.00
99%
Henan Fengda Chemical Co., Ltd

Ceftriaxone Impurity 2
84994-24-1
90%+
Guangzhou PI PI BIOTECH INC

MAEM
84994-24-1
98%
LY Global chemicals co.,ltd .

84994-24-1 (MAEM) Related Search:

Dithiooxamide Sodium thiosulfate pentahydrate 2,2'-Dithiobis(benzothiazole) SURFACTANT 2-Mercaptobenzothiazole

Benzothiazole Thiosemicarbazide Activated carbon Carbon Ceftriaxone 3-ene Isomer Disodium Salt

2-Aminothiazole S-2-Benzothiazolyl 2-amino-alpha-(methoxyimino)-4-thiazolethiolacetate 2-Ethoxythiazole (Benzothiazol-2-yl)-(Z)-2-trityloxyimino-2-(2-aminothiazole-4-yl)-thioacetate 2-Thiazolol

2-Benzothiazolol 2-Methoxythiazole Activ Ester

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MAEM 2-Mercaptobenzothiazolyl (Z)-2-(2-Aminothiazole-4-Yl)-2-Methoxyimino Acetate 2-mercaptobenzothiazoly(Z)-(2-aminothiazole-4-yl)-2-methoxyimino acetate (Benzothazol-2-yl)-2-(2-Aminothiazole-4-yl)-(Z)-2-MethoxyiminoThioacetate (Z)-2-(2-Amino-4-thiazolyl)-2-methoxyiminoacetic acid 2-benzothiazolyl este Benzothiazol-2-yl (Z)-2-methoxyimino-2-(2-aminothiazole-4-yl)thioacetate BENZOTHIAZOL-2-YL-2-(2-AMINOTHIAZOLE-4-YL)-(Z)-2-METHOXYIMINO THIOACETATE 2-MERCAPTOBENZOTHIAZOLEYL(Z)-2-AMINOTHIAZOL-4-YL-2-METHOXYIMINO ACETATE(MAEM) Maem (2-Mercapto-Benzothiazol-2-Aminothiazole-4Yl-Methoxyimino Acetate) Cefepime Impurity 5 4-Thiazoleacetic acid, 2-amino-α-(methoxyimino)-, 2-benzothiazolyl ester, (αZ)- (Z)-benzo[d]thiazol-2-yl 2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetate Benzo[d]thiazol-2-yl (Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetate Benzenesulfonylchloride,3-bromo-9-methoxy- AE active fat Benzothiazol-2-yl (Z)-2-methoxyimino-2-(2-aminothiazole-4-yl)thioacetate (MAEM) Lauryl Sulfate Impurity 5 2-Benzothiazolyl (αZ)-2-amino-α-(methoxyimino)-4-thiazoleacetate O-1,3-Benzothiazol-2-yl (2Z)-(2-amino-1,3-thiazol-4-yl)(methoxyimino)ethanethioate 84994-24-1 C13H10N4O3S2 Amines Cefotaxime Ceftriaxone