4,7-Dichloro-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid

4,7-二氯-3',6'-二羟基-3-氧代螺[2-苯并呋喃-1,9'-呫吨]-5-羧酸

4,7-Dichloro-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid (CAS 142975-88-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C21H10Cl2O7 and a molecular weight of 445.2 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
142975-88-0
Jingsj CID
J-693758-8
Molecular Formula
C21H10Cl2O7
Chinese Name
4,7-二氯-3',6'-二羟基-3-氧代螺[2-苯并呋喃-1,9'-呫吨]-5-羧酸
Molecular Weight
445.2 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of 4,7-Dichloro-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid?

The CAS number of 4,7-Dichloro-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid is 142975-88-0.

What are the molecular formula and molecular weight of 4,7-Dichloro-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid?

4,7-Dichloro-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid has molecular formula C21H10Cl2O7 and molecular weight 445.2 g/mol.

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

Last updated:

How to cite: Jingsj. "4,7-Dichloro-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid (CAS 142975-88-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-693758-8 (accessed 2026-10-23).

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