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 quoteFrequently 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).
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