N-Methylisatoic anhydride
Also known as: 1-methyl-2H-3,1-benzoxazine-2,4(1H)-dione, 1-methyl-1H-benzo[d][1,3]oxazine-2,4-dione, 1-Methyl-4H-3,1-benzoxazine-2(1H),4-dione, N-Methylisatoic acid anhydride, MIA, NSC 76087, MFCD00006815
N-Methylisatoic anhydride (CAS 10328-92-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H7NO3 and a molecular weight of 177.15700 g/mol. Key properties include a melting point of 165 °C (dec.)(lit.), a boiling point of 297.5ºC at 760 mmHg, a density of 1.348 g/cm3 and a flash point of 133.7ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 10328-92-4
- Jingsj CID
- J-10440-9
- Molecular Formula
- C9H7NO3
- Molecular Weight
- 177.15700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 165 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 297.5ºC at 760 mmHg |
| Density | 1.348 g/cm3 |
| Flash Point | 133.7ºC |
| Exact Mass | 177.04300 |
| PSA | 52.21000 |
| LogP | 0.49170 |
| Additional Property | 6.1 (vs air) |
| Vapor Pressure | 0.00135mmHg at 25°C |
| Refractive Index | 1.583 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Ursuegui S, et al. Biotin-conjugated N-methylisatoic anhydride: a chemical tool for nucleic acid separation by selective 2'-hydroxyl acylation of RNA. Chem Commun (Camb). 2014 Jun 1;50(43):5748-51. |
|---|
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. 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 N-Methylisatoic anhydride?
The CAS number of N-Methylisatoic anhydride is 10328-92-4.
What are the molecular formula and molecular weight of N-Methylisatoic anhydride?
N-Methylisatoic anhydride has molecular formula C9H7NO3 and molecular weight 177.15700 g/mol.
Is N-Methylisatoic anhydride hazardous?
N-Methylisatoic anhydride has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of N-Methylisatoic anhydride?
For N-Methylisatoic anhydride, Upstream Products: Isatoic anhydride, iodomethane, N-Methylaniline; Downstream Products: ethyl 2-(methylamino)benzoate, leucoline, 10-Methyl-9(10H)-acridone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N-Methylisatoic anhydride (CAS 10328-92-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10440-9 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.