disodium 4-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl]azo]-3',5-dimethyl-4'-[[4-[[(4-methylphenyl)sulphonyl]oxy]phenyl]azo][1,1'-biphenyl]-3-sulphonate

C.I.酸性橙149

Also known as: Acid Orange 149, C.I. Acid Orange 149, Kayanol Milling Yellow RW New

disodium 4-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl]azo]-3',5-dimethyl-4'-[[4-[[(4-methylphenyl)sulphonyl]oxy]phenyl]azo][1,1'-biphenyl]-3-sulphonate (CAS 55698-26-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C37H30N6Na2O10S3 and a molecular weight of 860.84300 g/mol. It is also known as Acid Orange 149, C.I. Acid Orange 149 and Kayanol Milling Yellow RW New. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
55698-26-5
Jingsj CID
J-1400242-3
Molecular Formula
C37H30N6Na2O10S3
Chinese Name
C.I.酸性橙149
Molecular Weight
860.84300 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of disodium 4-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl]azo]-3',5-dimethyl-4'-[[4-[[(4-methylphenyl)sulphonyl]oxy]phenyl]azo][1,1'-biphenyl]-3-sulphonate?

The CAS number of disodium 4-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl]azo]-3',5-dimethyl-4'-[[4-[[(4-methylphenyl)sulphonyl]oxy]phenyl]azo][1,1'-biphenyl]-3-sulphonate is 55698-26-5.

What are the molecular formula and molecular weight of disodium 4-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl]azo]-3',5-dimethyl-4'-[[4-[[(4-methylphenyl)sulphonyl]oxy]phenyl]azo][1,1'-biphenyl]-3-sulphonate?

disodium 4-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl]azo]-3',5-dimethyl-4'-[[4-[[(4-methylphenyl)sulphonyl]oxy]phenyl]azo][1,1'-biphenyl]-3-sulphonate has molecular formula C37H30N6Na2O10S3 and molecular weight 860.84300 g/mol.

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

Last updated:

How to cite: Jingsj. "disodium 4-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl]azo]-3',5-dimethyl-4'-[[4-[[(4-methylphenyl)sulphonyl]oxy]phenyl]azo][1,1'-biphenyl]-3-sulphonate (CAS 55698-26-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1400242-3 (accessed 2026-10-25).

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