3-amino-4-hydroxy-1,8-naphthalic anhydride

3-氨基-4-羟基-1,8-萘二甲酸酐

Also known as: 1H,3H-Naphtho[1,8-cd]pyran-1,3-dione, 5-amino-6-hydroxy-, 5-amino-6-hydroxy-1H,3H-benzo[de]isochromene-1,3-dione

3-amino-4-hydroxy-1,8-naphthalic anhydride (CAS 134870-46-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H7NO4 and a molecular weight of 229.18800 g/mol. It is also known as 1H,3H-Naphtho[1,8-cd]pyran-1,3-dione, 5-amino-6-hydroxy- and 5-amino-6-hydroxy-1H,3H-benzo[de]isochromene-1,3-dione. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 134870-46-5
Jingsj CID: J-1317396-0
Molecular Formula: C₁₂H₇NO₄
Chinese Name: 3-氨基-4-羟基-1,8-萘二甲酸酐
Molecular Weight: 229.18800 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 3-amino-4-hydroxy-1,8-naphthalic anhydride?

The CAS number of 3-amino-4-hydroxy-1,8-naphthalic anhydride is 134870-46-5.

What are the molecular formula and molecular weight of 3-amino-4-hydroxy-1,8-naphthalic anhydride?

3-amino-4-hydroxy-1,8-naphthalic anhydride has molecular formula C12H7NO4 and molecular weight 229.18800 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. "3-amino-4-hydroxy-1,8-naphthalic anhydride (CAS 134870-46-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1317396-0 (accessed 2026-10-22).

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