(S)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine
Also known as: (2S)-(+)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine, Schollkopf reagent, Schöllkopf reagent, (2S)-3,6-dimethoxy-2-(propan-2-yl)-2,5-dihydropyrazine, BISLACTIMETHER, MFCD00066229, (S)-2,5-dimethoxy-3-isopropyl-3,6-dihydropyrazine, SCHOELLKOPF-HARTWIG-REAGENT
(S)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine (CAS 78342-42-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H16N2O2 and a molecular weight of 184.236 g/mol. Key properties include a boiling point of 245.2±33.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 85.6±17.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 78342-42-4
- Jingsj CID
- J-18071-2
- Molecular Formula
- C9H16N2O2
- Molecular Weight
- 184.236 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 245.2±33.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 85.6±17.9 °C |
| Exact Mass | 184.121185 |
| PSA | 43.18000 |
| LogP | -0.40 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.503 |
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 (S)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine?
The CAS number of (S)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine is 78342-42-4.
What are the molecular formula and molecular weight of (S)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine?
(S)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine has molecular formula C9H16N2O2 and molecular weight 184.236 g/mol.
What are the upstream and downstream products of (S)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine?
For (S)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine, Upstream Products: Trimethyloxonium tetrafluoroborate, (S)-3-Isopropyl-2,5-piperazinedione, L-Valine; Downstream Products: L-Valine hydrochloride, N-(tert-Butoxycarbonyl)-L-valine methyl ester, L-Valine methyl ester hydrochloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(S)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine (CAS 78342-42-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18071-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.