Dansyl-L-proline
丹磺酰-L-脯氨酸
Also known as: Dansylproline, N-Dansyl-L-proline, L-Proline, 1-[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]-, 1-[[5-(Dimethylamino)-1-naphthyl]sulfonyl]-L-proline, N-[[5-(Dimethylamino)naphthalen-1-yl]sulfonyl]-L-proline
Dansyl-L-proline (CAS 1239-94-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H20N2O4S and a molecular weight of 348.41700 g/mol. It is also known as Dansylproline, N-Dansyl-L-proline and L-Proline, 1-[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]-. Key properties include a melting point of 150-153ºC, a boiling point of 559.6ºC at 760mmHg, a density of 1.385g/cm3 and a flash point of 292.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1239-94-7
- Jingsj CID
- J-1139253-4
- Molecular Formula
- C17H20N2O4S
- Chinese Name
- 丹磺酰-L-脯氨酸
- Molecular Weight
- 348.41700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 150-153ºC |
|---|---|
| Boiling Point | 559.6ºC at 760mmHg |
| Density | 1.385g/cm3 |
| Flash Point | 292.2ºC |
| Exact Mass | 348.11400 |
| PSA | 86.30000 |
| LogP | 3.16220 |
| Vapor Pressure | 2.33E-13mmHg at 25°C |
| Refractive Index | 1.66 |
| Storage Conditions | 2-8°C |
| Stability | Stable. Store cold. Incompatible with strong oxidizing agents. |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 Dansyl-L-proline?
The CAS number of Dansyl-L-proline is 1239-94-7.
What are the molecular formula and molecular weight of Dansyl-L-proline?
Dansyl-L-proline has molecular formula C17H20N2O4S and molecular weight 348.41700 g/mol.
What are the upstream and downstream products of Dansyl-L-proline?
For Dansyl-L-proline, Upstream Products: Dansyl chloride, L-Proline.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dansyl-L-proline (CAS 1239-94-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1139253-4 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.