2-Methyl-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine

Also known as: 2-methyl-3,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine, 2-methyl-1,4,5,6-tetrahydrobenzo[b]imidazo[4,5-d]azepine, 1,4,5,6-Tetrahydro-2-methyl-imidazo[4,5-d][1]benzazepine, Imidazo[4,5-d][1]benzazepine, 1,4,5,6-tetrahydro-2-methyl-, Conivaptan Hydrochloride impurity C, Conivaptan hydrochloride Impurity C, Conivaptan impurity C, Conivaptan int

2-Methyl-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine (CAS 318237-73-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H13N3 and a molecular weight of 199.252 g/mol. Key properties include a melting point of 178-180ºC, a boiling point of 529.2±19.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 273.8±21.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 318237-73-9
Jingsj CID: J-1104600-7
Molecular Formula: C₁₂H₁₃N₃
Molecular Weight: 199.252 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	178-180ºC
Boiling Point	529.2±19.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	273.8±21.5 °C
Exact Mass	199.110947
PSA	40.71000
LogP	1.12
Vapor Pressure	0.0±1.4 mmHg at 25°C
Refractive Index	1.623

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2-Methyl-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine?

The CAS number of 2-Methyl-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine is 318237-73-9.

What are the molecular formula and molecular weight of 2-Methyl-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine?

2-Methyl-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine has molecular formula C12H13N3 and molecular weight 199.252 g/mol.

What are the upstream and downstream products of 2-Methyl-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine?

For 2-Methyl-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine, Upstream Products: 2-Methyl-6-[(4-methylphenyl)sulfonyl]-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine, 1-(Toluene-4-sulfonyl)-1,2,3,4-tetrahydrobenzo[b]azepin-5-one, 4-bromo-1,2,3,4-tetrahydro-1-[(4-methylphenyl)sulfonyl]-5H-1-benzazepin-5-one.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-Methyl-1,4,5,6-tetrahydroimidazo[4,5-d][1]benzazepine (CAS 318237-73-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1104600-7 (accessed 2026-11-09).

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