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4-Phenyl-1,2,4-triazoline-3,5-dione

CAS 4233-33-4C8H5N3O2Chemical Synthesis

4-Phenyl-1,2,4-triazoline-3,5-dione (CAS 4233-33-4), molecular formula C8H5N3O2, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.

IUPAC
4-Phenyl-3H-1,2,4-triazole-3,5(4H)-dione,PTAD
Synonyms
5-dione4233-33-4
4-Phenyl-1,2,4-triazoline-3,5-dione
Building BlocksChemical SynthesisHeterocyclic Building BlocksTriazoles
01 /Properties
Molecular weight175.14
Empirical formulaC8H5N3O2
Assay97%
Storage temperature2-8°C
ApplicationAn efficient and selective reagent for the oxidation of thiols to disulfides.1 Synthesis of urazoles via [3+2] cycloaddition with allylsilanes.2
Melting point165-170 °C (dec.)(lit.)
02 /Safety & handling
Protective equipmentEyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

03 /Identifiers & registry
CAS number
4233-33-4
MDL number
MFCD00003148
PubChem substance
24856961
Beilstein registry
141548
04 /Quality & supply

Documentation

Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

05 /Frequently asked questions

What is 4-Phenyl-1,2,4-triazoline-3,5-dione?

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4-Phenyl-1,2,4-triazoline-3,5-dione (CAS 4233-33-4), molecular formula C8H5N3O2, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of 4-Phenyl-1,2,4-triazoline-3,5-dione does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 4-Phenyl-1,2,4-triazoline-3,5-dione in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.

What is the CAS number and molecular formula of 4-Phenyl-1,2,4-triazoline-3,5-dione?

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4-Phenyl-1,2,4-triazoline-3,5-dione has CAS number 4233-33-4 and molecular formula C8H5N3O2. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for 4-Phenyl-1,2,4-triazoline-3,5-dione?

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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.

Do you provide a Certificate of Analysis (CoA) with each shipment?

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Yes. Every batch of 4-Phenyl-1,2,4-triazoline-3,5-dione ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.

How should 4-Phenyl-1,2,4-triazoline-3,5-dione be stored?

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Store 4-Phenyl-1,2,4-triazoline-3,5-dione in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.

What is 4-Phenyl-1,2,4-triazoline-3,5-dione used for?

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4-Phenyl-1,2,4-triazoline-3,5-dione is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.

How do I request a quote for 4-Phenyl-1,2,4-triazoline-3,5-dione?

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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.

Need 4-Phenyl-1,2,4-triazoline-3,5-dione in a specific grade or volume?

Request a quote