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API Process Intermediates & Related Compounds

6-Methyl-2,4(1H,3H)-pyrimidinedione

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Buy 6-Methyl-2,4(1H,3H)-pyrimidinedione (CAS 626-48-2) from Zemixal. Request a quote with price, lead time and documents.

Pack sizes
6-Methyl-2,4(1H,3H)-pyrimidinedione chemical structure
CAS number626-48-2
FormulaC5H6N2O2
Molar mass126.11 g/mol
Physical formSolid
HS code2933
InChIKeySHVCSCWHWMSGTE-UHFFFAOYSA-N
IUPAC name6-methyl-1H-pyrimidine-2,4-dione

About 6-Methyl-2,4(1H,3H)-pyrimidinedione

Researchers and plant chemists source 6-Methyl-2,4(1H,3H)-pyrimidinedione from Zemixal for routine and specialised work. For your records, the material is defined by CAS 626-48-2, formula C5H6N2O2 and molar mass 126.11 g/mol. It is handled as a solid.

Use cases we see most often

  • API route development
  • Impurity fate & purge studies
  • Analytical method development
  • Fine chemical synthesis

Safe handling

Classified under GHS with signal word Warning and hazard statements H361. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Fluorouracil

See every impurity, metabolite and related compound we list for this API.

Fluorouracil standards

Typical uses

  • API route development
  • Impurity fate & purge studies
  • Analytical method development
  • Fine chemical synthesis

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 6-Methyl-2,4(1H,3H)-pyrimidinedione
Product name6-Methyl-2,4(1H,3H)-pyrimidinedione
Catalogue numberZX-034401
CAS number626-48-2
IUPAC name6-methyl-1H-pyrimidine-2,4-dione
Molecular formulaC5H6N2O2
Molar mass126.11 g/mol
Exact mass126.0429
Physical formSolid
XLogP3-0.8
H-bond donors / acceptors2 / 2
Topological polar surface area58.2 Ų
HS code2933
InChIKeySHVCSCWHWMSGTE-UHFFFAOYSA-N
SMILESCC1=CC(=O)NC(=O)N1
PubChem CID12283
Synonyms6-Methyluracil, Pseudothymine, 4-Methyluracil, 2,4(1H,3H)-Pyrimidinedione, 6-methyl-, Uracil, 6-methyl-, AWD-23-15, 2,4-Dihydroxy-6-methylpyrimidine, 6-methylpyrimidine-2,4(1H,3H)-dione, 6-methylpyrimidine-2,4-diol, 2,4-Pyrimidinediol, 6-methyl-, 2(1H)-Pyrimidinone, 4-hydroxy-6-methyl-

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS08 Health hazard
Health hazard

Signal word Warning

  • H361Suspected of damaging fertility or the unborn child

Precautionary statements P203, P280, P318, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 6-Methyl-2,4(1H,3H)-pyrimidinedione
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 6-Methyl-2,4(1H,3H)-pyrimidinedione

Which CAS number identifies 6-Methyl-2,4(1H,3H)-pyrimidinedione?
6-Methyl-2,4(1H,3H)-pyrimidinedione is registered under CAS 626-48-2. You may also see it listed as 6-Methyluracil, Pseudothymine, 4-Methyluracil. Our catalogue number for this item is ZX-034401.
What are the formula and molar mass of 6-Methyl-2,4(1H,3H)-pyrimidinedione?
For 6-Methyl-2,4(1H,3H)-pyrimidinedione, its formula is C5H6N2O2 and its molar mass is 126.11 g/mol. The systematic (IUPAC) name is 6-methyl-1H-pyrimidine-2,4-dione. InChIKey SHVCSCWHWMSGTE-UHFFFAOYSA-N lets you match it in any structure database.
How is 6-Methyl-2,4(1H,3H)-pyrimidinedione used in pharmaceutical QC?
6-Methyl-2,4(1H,3H)-pyrimidinedione is a characterised reference material linked to Fluorouracil. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for 6-Methyl-2,4(1H,3H)-pyrimidinedione?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 6-Methyl-2,4(1H,3H)-pyrimidinedione?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 6-Methyl-2,4(1H,3H)-pyrimidinedione to my country?
Yes. Because 6-Methyl-2,4(1H,3H)-pyrimidinedione is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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