Cyclopenta[c][1]benzopyran-4(1H)-one, 2,3-dihydro-7-hydroxy-6-[2-(4-nitrophenyl)diazenyl]-

Cyclopenta[c][1]benzopyran-4(1H)-one, 2,3-dihydro-7-hydroxy-6-[2-(4-nitrophenyl)diazenyl]- (CAS 328021-67-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H13N3O5 and a molecular weight of 351.3 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 328021-67-6
Jingsj CID: J-1197209-9
Molecular Formula: C₁₈H₁₃N₃O₅
Molecular Weight: 351.3 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Cyclopenta[c][1]benzopyran-4(1H)-one, 2,3-dihydro-7-hydroxy-6-[2-(4-nitrophenyl)diazenyl]-?

The CAS number of Cyclopenta[c][1]benzopyran-4(1H)-one, 2,3-dihydro-7-hydroxy-6-[2-(4-nitrophenyl)diazenyl]- is 328021-67-6.

What are the molecular formula and molecular weight of Cyclopenta[c][1]benzopyran-4(1H)-one, 2,3-dihydro-7-hydroxy-6-[2-(4-nitrophenyl)diazenyl]-?

Cyclopenta[c][1]benzopyran-4(1H)-one, 2,3-dihydro-7-hydroxy-6-[2-(4-nitrophenyl)diazenyl]- has molecular formula C18H13N3O5 and molecular weight 351.3 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Cyclopenta[c][1]benzopyran-4(1H)-one, 2,3-dihydro-7-hydroxy-6-[2-(4-nitrophenyl)diazenyl]- (CAS 328021-67-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1197209-9 (accessed 2026-10-24).

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