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3-Cyano-6-methyl-2(1H)-pyridinone

Also known as: Ricinidine, 1,2-Dihydro-6-methyl-2-oxo-3-pyridinecarbonitrile, 2-Hydroxy-6-methylnicotinonitrile, 2-Keto-6-methyl-1H-pyridine-3-carbonitrile, 3-Cyano-6-methyl-2-pyridinol, 3-Cyano-6-methyl-2-pyridone, 5-Cyano-6-hydroxy-2-picoline, 6-Methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile, 6-Methyl-2-oxo-1H-pyridine-3-carbonitrile, NSC 15124, Nicotinonitrile, 1,2-dihydro-6-methyl-2-oxo-

3-Cyano-6-methyl-2(1H)-pyridinone (CAS 4241-27-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6N2O and a molecular weight of 134.135 g/mol. Key properties include a melting point of 293-295 °C, a boiling point of 299.7±29.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 135.0±24.3 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4241-27-4
Jingsj CID
J-4921-8
Molecular Formula
C7H6N2O
Molecular Weight
134.135 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point293-295 °C
Boiling Point299.7±29.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point135.0±24.3 °C
Exact Mass134.048019
PSA56.65000
LogP-0.54
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.568
Additional Property2.38 g/L (20 ºC)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. 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 3-Cyano-6-methyl-2(1H)-pyridinone?

The CAS number of 3-Cyano-6-methyl-2(1H)-pyridinone is 4241-27-4.

What are the molecular formula and molecular weight of 3-Cyano-6-methyl-2(1H)-pyridinone?

3-Cyano-6-methyl-2(1H)-pyridinone has molecular formula C7H6N2O and molecular weight 134.135 g/mol.

Is 3-Cyano-6-methyl-2(1H)-pyridinone hazardous?

3-Cyano-6-methyl-2(1H)-pyridinone has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.

What are the upstream and downstream products of 3-Cyano-6-methyl-2(1H)-pyridinone?

For 3-Cyano-6-methyl-2(1H)-pyridinone, Upstream Products: 2-Cyanoacetamide, Ethyl formate, 4-CHLORO-6-METHYL-2-OXO-1,2-DIHYDROPYRIDINE-3-CARBONITRILE; Downstream Products: 2-Hydroxy-6-methylnicotinic acid, (6-Methylpyridin-3-yl)methanol, 3-Benzyloxycarbonylamino-6-methyl-2-pyridone.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3-Cyano-6-methyl-2(1H)-pyridinone (CAS 4241-27-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4921-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.