5-Isoquinolinesulfonic acid
Also known as: 5-Isoquinolinesulfonic acid, 5-Sulfoisoquinoline, 5-Sulphoisoquinoline, Isoquinoline-5-sulfonic acid, MFCD03428073, Fasudil Impurity 35
5-Isoquinolinesulfonic acid (CAS 27655-40-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7NO3S and a molecular weight of 209.222 g/mol. Key properties include a melting point of 300 °C and a density of 1.5±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 27655-40-9
- Jingsj CID
- J-1361075-8
- Molecular Formula
- C9H7NO3S
- Molecular Weight
- 209.222 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 300 °C |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Exact Mass | 209.014664 |
| PSA | 75.64000 |
| LogP | 0.21 |
| Refractive Index | 1.675 |
Customs & Trade Information
| HS Code | 2933499090 |
|---|---|
| Summary | 2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 5-Isoquinolinesulfonic acid?
The CAS number of 5-Isoquinolinesulfonic acid is 27655-40-9.
What are the molecular formula and molecular weight of 5-Isoquinolinesulfonic acid?
5-Isoquinolinesulfonic acid has molecular formula C9H7NO3S and molecular weight 209.222 g/mol.
What are the upstream and downstream products of 5-Isoquinolinesulfonic acid?
For 5-Isoquinolinesulfonic acid, Upstream Products: Isoquinoline-5-sulfonyl chloride hydrochloride, Isoquinoline, Water; Downstream Products: isoquinoline-5-sulfonyl chloride, Isoquinoline-5-sulfonyl chloride hydrochloride, 5-Hydroxyisoquinoline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Isoquinolinesulfonic acid (CAS 27655-40-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1361075-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.