Quinidine sulfate dihydrate
Also known as: Quinidine sulfate salt dihydrate, Quinidine sulphate dihydrate, Quinidine dihydrate sulfate salt, Quinidine sulfate hydrate, Quinidine sulfate monohydrate, 6-Methoxy-alpha-(5-vinyl-2-quinuclidinyl)-4-quinolinemethanol hemisulfate hydrate, (9S)-6'-Methoxycinchonan-9-ol sulfate hydrate (2:1:2), Cinchonan-9-ol, 6'-methoxy-, (9S)-, sulfate, hydrate (2:1:2) (salt)
Quinidine sulfate dihydrate (CAS 6591-63-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H24N2O2.1/2H2O4S.H2O and a molecular weight of 782.943 g/mol. Key properties include a melting point of 212-214 °C (dec.)(lit.), a boiling point of 992.5ºC at 760 mmHg and a flash point of 554ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. It is listed by 1 supplier, from 120.00 to 120.00 CNY per 5g. Record last updated Aug 21, 2026.
- CAS No.
- 6591-63-5
- Jingsj CID
- J-895890-9
- Molecular Formula
- C20H24N2O212H2O4SH2O
- Molecular Weight
- 782.943 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | BR 5g | ¥600.00 | $17.96 /gBest ¥120.00/g CNY | CN China MOQ 5g |
Physicochemical Properties
| Melting Point | 212-214 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 992.5ºC at 760 mmHg |
| Flash Point | 554ºC |
| Exact Mass | 782.356079 |
| PSA | 192.62000 |
| LogP | 6.52160 |
| Refractive Index | 275 ° (C=2, 0.1mol/L HCl) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Activity & Biological Data
| Target | IC50: cytochrome P450db; amphetamine metabolism[1] |
|---|---|
| Additional Information | [1]. David E. Moody, et al. Quinidine Inhibits In Vivo Metabolism of Amphetamine in Rats: Impact upon Correlation between GCIMS and Immunoassay Findings in Rat Urine. ournal of Analytical Toxicology, Vol. 14, September/October 1990 [2]. Tsuruo T, et al. Effects of quinidine and related compounds on cytotoxicity and cellular accumulation of vincristine and adriamycin in drug-resistant tumor cells.Cancer Res. 1984 Oct;44(10):4303-7. |
Frequently Asked Questions
What is the CAS number of Quinidine sulfate dihydrate?
The CAS number of Quinidine sulfate dihydrate is 6591-63-5.
What are the molecular formula and molecular weight of Quinidine sulfate dihydrate?
Quinidine sulfate dihydrate has molecular formula C20H24N2O2.1/2H2O4S.H2O and molecular weight 782.943 g/mol.
Which suppliers offer Quinidine sulfate dihydrate?
1 supplier(s) listed; reference unit price ¥120.00–120.00 /g.
Is Quinidine sulfate dihydrate hazardous?
Quinidine sulfate dihydrate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Quinidine sulfate dihydrate (CAS 6591-63-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-895890-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.