3-Methyl-2-benzothiazolinone hydrazone

3-甲基-2-苯并噻唑啉酮腙

Also known as: 2-Hydrazono-3-methyl-2,3-dihydrobenzo[d]thiazole, 2-Hydrazono-3-methyl-2,3-dihydrobenzothiazole, 2-Hydrazono-3-methylbenzothiazoline, 2-hydrazinylidene-3-methyl-2,3-dihydro-1,3-benzothiazole, 3-Methyl-2-benzothiazoline hydrazone, 3-Methyl-2-benzothiazolone hydrazone, 3-Methyl-2-benzothiazolonhydrazone, 3-Methylbenzothiazolin-2-one hydrazone, 3-Methyl-2(3H)-benzothiazolonhydrazone, N-Methylbenzothiazolone hydrazone, MBTH, MBTH indicator

3-Methyl-2-benzothiazolinone hydrazone (CAS 1128-67-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9N3S and a molecular weight of 179.24200 g/mol. It is also known as 2-Hydrazono-3-methyl-2,3-dihydrobenzo[d]thiazole, 2-Hydrazono-3-methyl-2,3-dihydrobenzothiazole and 2-Hydrazono-3-methylbenzothiazoline. Key properties include a melting point of 276-278ºC (dec.)(lit.), a boiling point of 342.9ºC at 760 mmHg, a density of 1.37g/cm3 and a flash point of 161.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1128-67-2

Jingsj CID

J-43962-4

Molecular Formula

C₈H₉N₃S

Chinese Name

3-甲基-2-苯并噻唑啉酮腙

Molecular Weight

179.24200 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026