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API Impurities

Dihydro Uracil

Reference StandardAvailable on request

Dihydro Uracil (CAS 504-07-4) supplier Zemixal. Request a quote with price, lead time and documents. Quotes within one business day.

Pack sizes
Dihydro Uracil chemical structure
CAS number504-07-4
FormulaC4H6N2O2
Molar mass114.1 g/mol
Physical formSolid
HS code38229090
InChIKeyOIVLITBTBDPEFK-UHFFFAOYSA-N
IUPAC name1,3-diazinane-2,4-dione

About Dihydro Uracil

Dihydro Uracil belongs to the Uracil reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 504-07-4, formula C4H6N2O2 and molar mass 114.1 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. 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 certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Uracil

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

Uracil standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of Dihydro Uracil
Product nameDihydro Uracil
Catalogue numberZX-045612
CAS number504-07-4
IUPAC name1,3-diazinane-2,4-dione
Molecular formulaC4H6N2O2
Molar mass114.1 g/mol
Exact mass114.0429
GradeReference Standard
Physical formSolid
XLogP3-1.1
H-bond donors / acceptors2 / 2
Topological polar surface area58.2 Ų
HS code38229090
InChIKeyOIVLITBTBDPEFK-UHFFFAOYSA-N
SMILESC1CNC(=O)NC1=O
PubChem CID649
Synonyms5,6-dihydrouracil, 5,6-Dihydro-2,4-dihydroxypyrimidine, 2,4(1H,3H)-Pyrimidinedione, dihydro-, Dihydro-2,4(1H,3H)-pyrimidinedione, 2,4-Dioxotetrahydropyrimidine, hexahydropyrimidine-2,4-dione, DI-H-uracil, 4,5-dihydrouracil, Hydrouracil (8CI), 5,6-Dihydro-2,4(1H,3H)-pyrimidinedione, Dihydro-pyrimidine-2,4-dione

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 Dihydro Uracil
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 Dihydro Uracil

Which CAS number identifies Dihydro Uracil?
Dihydro Uracil is registered under CAS 504-07-4. You may also see it listed as 5,6-dihydrouracil, 5,6-Dihydro-2,4-dihydroxypyrimidine, 2,4(1H,3H)-Pyrimidinedione, dihydro-. Our catalogue number for this item is ZX-045612.
What are the formula and molar mass of Dihydro Uracil?
For Dihydro Uracil, its formula is C4H6N2O2 and its molar mass is 114.1 g/mol. The systematic (IUPAC) name is 1,3-diazinane-2,4-dione. InChIKey OIVLITBTBDPEFK-UHFFFAOYSA-N lets you match it in any structure database.
How is Dihydro Uracil used in pharmaceutical QC?
Dihydro Uracil is a characterised reference material linked to Uracil. 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 Dihydro Uracil?
This listing is Reference Standard grade. 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 Dihydro Uracil?
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 Dihydro Uracil to my country?
Yes. Because Dihydro Uracil 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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