Reactive Red 4
活性红 K-7B
Also known as: Cibacron Brilliant Red 3B-A, C.I. Reactive Red 4, CI 18105, Chemictive Brilliant Red 7BH, 2,7-Naphthalenedisulfonic acid, 5-(benzoylamino)-3-[[5-[[4-chloro-6-[(4-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]azo]-4-hydroxy-, tetrasodium salt
Reactive Red 4 (CAS 17681-50-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C32H19ClN8NaO14S4--- and a molecular weight of 926.24100 g/mol. It is also known as Cibacron Brilliant Red 3B-A, C.I. Reactive Red 4 and CI 18105. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 17681-50-4
- Jingsj CID
- J-44418-1
- Molecular Formula
- C32H19ClN8NaO14S4
- Chinese Name
- 活性红 K-7B
- Molecular Weight
- 926.24100 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of Reactive Red 4?
The CAS number of Reactive Red 4 is 17681-50-4.
What are the molecular formula and molecular weight of Reactive Red 4?
Reactive Red 4 has molecular formula C32H19ClN8NaO14S4--- and molecular weight 926.24100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Reactive Red 4 (CAS 17681-50-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44418-1 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.