Disperse Red 191

分散红191

Also known as: Disperse Red 191, C.I. Disperse Red 191, Disperse Pink SE-RL, Intrasil Pink SRL, Pink P-RELN, Sumiplast Red B 2

Disperse Red 191 (CAS 103657-51-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C22H17NO5 and a molecular weight of 375.38 g/mol. It is also known as C.I. Disperse Red 191, Disperse Pink SE-RL and Intrasil Pink SRL. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 103657-51-8
Jingsj CID: J-1372917-0
Molecular Formula: C₂₂H₁₇NO₅
Chinese Name: 分散红191
Molecular Weight: 375.38 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Disperse Red 191?

The CAS number of Disperse Red 191 is 103657-51-8.

What are the molecular formula and molecular weight of Disperse Red 191?

Disperse Red 191 has molecular formula C22H17NO5 and molecular weight 375.38 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. "Disperse Red 191 (CAS 103657-51-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1372917-0 (accessed 2026-10-25).

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