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Neostigmine Impurity 1

CAS No.
4312-54-3
Chemical Name:
Neostigmine Impurity 1
Synonyms
Neostigmine Impurity;Neostigmine Impurity 1;Neostigmine Methylsulfate I;Neostigmine bromide Impurity A;Neostigmine EP Impurity A Metilsulfate;Impurity 3 of neostigmine methylsulfate;Neostigmine EP Impurity A(methylsulfate);Neostigmine bromide Impurity A(Sulfate form);3-Hydroxyphenyltrimethylammonium Methyl Sulfate;3-Hydroxy-N,N,N-trimethylbenzenaminium methyl sulfate
CBNumber:
CB04820624
Molecular Formula:
C10H17NO5S
Molecular Weight:
263.31
MDL Number:
MOL File:
4312-54-3.mol
MSDS File:
SDS
Last updated:2026-05-27 22:44:39

Neostigmine Impurity 1 Properties

Melting point 139-140 °C

SAFETY

Risk and Safety Statements

Symbol(GHS)  Skull and Crossbones (GHS06)
GHS06
Signal word  Danger
Hazard statements  H301-H311-H331
Precautionary statements  P261-P264-P270-P271-P280-P302+P352-P304+P340-P310-P330-P361-P403+P233-P405-P501

Neostigmine Impurity 1 price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Matrix Scientific 313038 3-Hydroxy-N,N,N-trimethylbenzenaminium methyl sulfate 4312-54-3 50.00mg $178 2026-05-19 Buy
Matrix Scientific 313038 3-Hydroxy-N,N,N-trimethylbenzenaminium methyl sulfate 4312-54-3 100.00mg $295 2026-05-19 Buy
Matrix Scientific 313038 3-Hydroxy-N,N,N-trimethylbenzenaminium methyl sulfate 4312-54-3 250.00mg $526 2026-05-19 Buy
aablocks AA01OI1S 3-Hydroxy-N,N,N-trimethylbenzenaminium methyl sulfate 98+% 4312-54-3 50mg $123 2026-05-31 Buy
aablocks AA01OI1S 3-Hydroxy-N,N,N-trimethylbenzenaminium methyl sulfate 98+% 4312-54-3 100mg $207 2026-05-31 Buy
Product number Packaging Price Buy
313038 50.00mg $178 Buy
313038 100.00mg $295 Buy
313038 250.00mg $526 Buy
AA01OI1S 50mg $123 Buy
AA01OI1S 100mg $207 Buy

Neostigmine Impurity 1 Chemical Properties, Uses, Production

Uses

3-Hydroxyphenyltrimethylammonium Methyl Sulfate is an analog of physostigmine. An inhibitor of cholinesterase.

Neostigmine Impurity 1 Preparation Products And Raw materials

Raw materials

Preparation Products

Neostigmine Impurity 1 Suppliers

Global Suppliers ( 34)
Supplier Tel Email Country ProdList Advantage
S.Z. PhyStandard Bio-Tech. Co., Ltd. 0755-4000505016 13380397412 3001272453@qq.com China 5000 50
Nanjing XiZe Biotechnology CO., Ltd. 025-66023220 15250997978 1511893459@qq.com China 4777 55
Shenzhen SUNGENING Bio-Medical Co., Ltd. 0755-28967200 13631290199 wxf@sungening.com China 9609 60
Shenzhen Botel Biotechnology Co. Ltd. 13316949107 13316968096 1979313431@qq.com China 9619 58
Chengdu MassCale Pharmaceutical Co., Ltd. 028-84552636 18084815636 chensfsc@126.com China 1440 58
Nanjing wangzhixing Pharmaceutical Technology Co., Ltd 18569809817 2208093734@qq.com China 3989 58
PCL - Business, Laboratory Pharmaceutical 19150123681 Hu.xinyue@purechemland.com China 3562 58
Meng Cheng Technology (Shanghai) Co., LTD 400-820-6829 sales@mitachieve.com China 8857 58
Shandong WorldSun Biological Technology Co., Ltd. 0531-88723173 18596073690 1047208234@qq.com China 8177 58
Hubei Xinyang Medical Technology Co., Ltd 15347293736 2853117764@yongstandards.com China 9999 58

View Latest Price from Neostigmine Impurity 1 manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Neostigmine EP Impurity A(Metilsulfate) pictures 2026-03-12 Neostigmine EP Impurity A(Metilsulfate)
4312-54-3
10mg 0.98 10g ShenZhen H&D Pharmaceutical Technology Co., LTD
Neostigmine Impurity 1 Neostigmine EP Impurity A Metilsulfate Neostigmine Methylsulfate ImpurityⅠ:3-Hydroxy-N, N, N-Trimethylaniline Sulfate Monomethyl Ester Salt Neostigmine Impurity Neostigmine Impurity 1(Neostigmine EP Impurity A Metilsulfate) 3-Hydroxyphenyltrimethylammonium Methyl Sulfate Neostigmine Methylsulfate I 3-Hydroxy-N,N,N-trimethylbenzenaminium methyl sulfate 3-Hydroxy-N,N,N-trimethylbenzenaminium methyl sulfate (Neostigmine Impurity) Neostigmine bromide Impurity A Neostigmine EP Impurity A(methylsulfate) Neostigmine bromide Impurity A(Sulfate form) Impurity 3 of neostigmine methylsulfate 4312-54-3