Pyriftalid

Also known as: CGA 279233, CGA279233, 7-((4,6-Dimethoxypyrimidin-2-yl)thio)-3-methylisobenzofuran-1(3H)-one, 7-(4,6-Dimethoxypyrimin-2-ylthio)-3-methylisobenzofuran-1(3H)-one, 7-[(4,6-Dimethoxy-2-pyrimidinyl)thio]-3-methyl-1(3H)-isobenzofuranone, rac-(3R)-7-[(4,6-Dimethoxypyrimidin-2-yl)sulfanyl]-3-methyl-2-benzofuran-1(3H)-one

Pyriftalid (CAS 135186-78-6) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C15H14N2O4S and a molecular weight of 318.34800 g/mol. Key properties include a melting point of 163.4 °C, a boiling point of 555.639ºC at 760 mmHg, a density of 1.4g/cm3 and a flash point of 289.84ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 135186-78-6
Jingsj CID: J-42387-4
Molecular Formula: C₁₅H₁₄N₂O₄S
Molecular Weight: 318.34800 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	163.4 °C
Boiling Point	555.639ºC at 760 mmHg
Density	1.4g/cm3
Flash Point	289.84ºC
Exact Mass	318.06700
PSA	95.84000
LogP	2.87640
Vapor Pressure	0mmHg at 25°C
Refractive Index	1.635
Storage Conditions	0-6°C

Customs & Trade Information

HS Code	2934999041
Summary	2934999041. VAT:17.0%. Tax rebate rate:9.0%. Supervision conditions:S(import or export registration certificate for pesticides). MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Pyriftalid?

The CAS number of Pyriftalid is 135186-78-6.

What are the molecular formula and molecular weight of Pyriftalid?

Pyriftalid has molecular formula C15H14N2O4S and molecular weight 318.34800 g/mol.

What are the upstream and downstream products of Pyriftalid?

For Pyriftalid, Upstream Products: 4,6-Dimethoxy-2-(methylsulfonyl)pyrimidine, 2-Chloro-4,6-dimethoxypyrimidine, 3-Chlorophthalic anhydride.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Pyriftalid (CAS 135186-78-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42387-4 (accessed 2026-11-06).

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