5-(2-Benzothiazolyl)-1,3-diphenylformazan

5-(2-苯并噻唑基)-1,3-二苯甲臜

Also known as: Benzothiazolyldiphenylformazan, 1-(Benzothiazol-2-yl)-3,5-diphenylformazan, 3,5-Diphenyl-1-(2-benzothiazolyl)formazan, N'-anilino-N-(1,3-benzothiazol-2-ylimino)benzenecarboximidamide, Methanone, phenyl(2-phenyldiazenyl)-, 2-(2-benzothiazolyl)hydrazone

5-(2-Benzothiazolyl)-1,3-diphenylformazan (CAS 21326-44-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C20H15N5S and a molecular weight of 357.43200 g/mol. It is also known as Benzothiazolyldiphenylformazan, 1-(Benzothiazol-2-yl)-3,5-diphenylformazan and 3,5-Diphenyl-1-(2-benzothiazolyl)formazan. Key properties include a melting point of 185ºC, a boiling point of 521.6ºC at 760 mmHg, a density of 1.28g/cm3 and a flash point of 269.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21326-44-3
Jingsj CID
J-15912-8
Molecular Formula
C20H15N5S
Chinese Name
5-(2-苯并噻唑基)-1,3-二苯甲臜
Molecular Weight
357.43200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point185ºC
Boiling Point521.6ºC at 760 mmHg
Density1.28g/cm3
Flash Point269.2ºC

Frequently Asked Questions

What is the CAS number of 5-(2-Benzothiazolyl)-1,3-diphenylformazan?

The CAS number of 5-(2-Benzothiazolyl)-1,3-diphenylformazan is 21326-44-3.

What are the molecular formula and molecular weight of 5-(2-Benzothiazolyl)-1,3-diphenylformazan?

5-(2-Benzothiazolyl)-1,3-diphenylformazan has molecular formula C20H15N5S and molecular weight 357.43200 g/mol.

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

Last updated:

How to cite: Jingsj. "5-(2-Benzothiazolyl)-1,3-diphenylformazan (CAS 21326-44-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15912-8 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.