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5-[3-(Carboxymethoxy)phenyl]-3-(4,5-dimethyl-2-thiazolyl)-2-(4-sulfophenyl)-2H-tetrazolium inner salt

Also known as: MTS Reagent, cell proliferation assay reagent, MTS, 3-(4,5-Dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium inner salt, 4-[5-[3-(Carboxymethoxy)phenyl]-3-(4,5-dimethyl-1,3-thiazol-2-yl)tetrazol-3-ium-2-yl]benzenesulfonate

5-[3-(Carboxymethoxy)phenyl]-3-(4,5-dimethyl-2-thiazolyl)-2-(4-sulfophenyl)-2H-tetrazolium inner salt (CAS 138169-43-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C20H17N5O6S2 and a molecular weight of 487.509 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
138169-43-4
Jingsj CID
J-1413655-5
Molecular Formula
C20H17N5O6S2
Molecular Weight
487.509 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass487.062012
PSA187.83000
LogP2.73260

Customs & Trade Information

HS Code3912900000

Frequently Asked Questions

What is the CAS number of 5-[3-(Carboxymethoxy)phenyl]-3-(4,5-dimethyl-2-thiazolyl)-2-(4-sulfophenyl)-2H-tetrazolium inner salt?

The CAS number of 5-[3-(Carboxymethoxy)phenyl]-3-(4,5-dimethyl-2-thiazolyl)-2-(4-sulfophenyl)-2H-tetrazolium inner salt is 138169-43-4.

What are the molecular formula and molecular weight of 5-[3-(Carboxymethoxy)phenyl]-3-(4,5-dimethyl-2-thiazolyl)-2-(4-sulfophenyl)-2H-tetrazolium inner salt?

5-[3-(Carboxymethoxy)phenyl]-3-(4,5-dimethyl-2-thiazolyl)-2-(4-sulfophenyl)-2H-tetrazolium inner salt has molecular formula C20H17N5O6S2 and molecular weight 487.509 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "5-[3-(Carboxymethoxy)phenyl]-3-(4,5-dimethyl-2-thiazolyl)-2-(4-sulfophenyl)-2H-tetrazolium inner salt (CAS 138169-43-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1413655-5 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.