Dimethyl 2-(hydroxyimino)malonate
Also known as: Fingolimod Impurity 27, dimethyl 2-hydroxyiminopropanedioate, dimethyl hydroxyiminomalonate, dimethyl isonitrosomalonate, dimethyl mesoxalate oxime, dimethyl oximinomalonate, dimethyl-2-oximinomalonate, hydroxyimino-malonic acid dimethyl ester, Propanedioic acid, 2-(hydroxyimino)-, 1,3-dimethyl ester, NSC 157353
Dimethyl 2-(hydroxyimino)malonate (CAS 42937-74-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H7NO5 and a molecular weight of 161.11300 g/mol. Key properties include a melting point of 70-72ºC, a boiling point of 251.1ºC at 760mmHg, a density of 1.33g/cm3 and a flash point of 105.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 42937-74-6
- Jingsj CID
- J-990071-4
- Molecular Formula
- C5H7NO5
- Molecular Weight
- 161.11300 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 70-72ºC |
|---|---|
| Boiling Point | 251.1ºC at 760mmHg |
| Density | 1.33g/cm3 |
| Flash Point | 105.7ºC |
| Exact Mass | 161.03200 |
| PSA | 85.19000 |
| Refractive Index | 1.468 |
Customs & Trade Information
| HS Code | 2928000090 |
|---|---|
| Summary | 2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Dimethyl 2-(hydroxyimino)malonate?
The CAS number of Dimethyl 2-(hydroxyimino)malonate is 42937-74-6.
What are the molecular formula and molecular weight of Dimethyl 2-(hydroxyimino)malonate?
Dimethyl 2-(hydroxyimino)malonate has molecular formula C5H7NO5 and molecular weight 161.11300 g/mol.
What are the upstream and downstream products of Dimethyl 2-(hydroxyimino)malonate?
For Dimethyl 2-(hydroxyimino)malonate, Upstream Products: Dimethyl malonate, Dimethyl nitromalonate, Methyl nitrite; Downstream Products: Dimethyl nitromalonate, Dimethyl aminomalonate, Dimethyl acetamidomalonate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dimethyl 2-(hydroxyimino)malonate (CAS 42937-74-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-990071-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.