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Analytical Reagents

Pyrazophos

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Order Pyrazophos (CAS 13457-18-6) online at Zemixal. Request a quote with price, lead time and documents. Ships from India to 120+ countries.

Pack sizes
Pyrazophos chemical structure
CAS number13457-18-6
FormulaC14H20N3O5PS
Molar mass373.37 g/mol
InChIKeyJOOMJVFZQRQWKR-UHFFFAOYSA-N
IUPAC nameethyl 2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate

About Pyrazophos

Pyrazophos sits in our analytical Reagents section and ships worldwide from stock or short lead time. Key data: CAS 13457-18-6, formula C14H20N3O5PS and molar mass 373.37 g/mol.

Where it is used

  • Agrochemical formulations
  • Laboratory analysis

Handling and storage

Hazard communication follows GHS (Warning: H302, H332, H400 and H410). Our SDS lists exposure controls and first-aid measures.

Available as 100 mg, 250 mg, 1 g and 5 g. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Agrochemical formulations
  • Laboratory analysis

Applications

Specifications and identifiers

Specifications of Pyrazophos
Product namePyrazophos
Catalogue numberZX-046923
CAS number13457-18-6
IUPAC nameethyl 2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate
Molecular formulaC14H20N3O5PS
Molar mass373.37 g/mol
Exact mass373.0861
XLogP33.1
H-bond donors / acceptors0 / 8
Topological polar surface area116 Ų
InChIKeyJOOMJVFZQRQWKR-UHFFFAOYSA-N
SMILESCCOC(=O)C1=CN2C(=CC(=N2)OP(=S)(OCC)OCC)N=C1C
PubChem CID26033
SynonymsEthyl 2-((diethoxyphosphinothioyl)oxy)-5-methylpyrazolo(1,5-a)pyrimidine-6-carboxylate, HOE-2873, O,O-Diethyl O-(5-methyl-6-(ethoxycarbonyl)-pyrazolo-(1,5-a)-pyrimid-2-yl)-thionophosphate, O-6-Ethoxycarbonyl-5-methylpyrazolo(1,5-a)pyrimidin-2-yl O,O-diethyl phosphorothioate, Ethyl 2-[(diethoxyphosphinothioyl)oxy]-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate, O-6-ethoxycarbonyl-5-methylpyrazolo[1,5-a]pyrimidin-2-yl O,O-diethyl phosphorothioate, Hoechst 2873, HOE 2873, O,O-Diethyl-O-(5-methyl-6-ethoxy-carbonyl-pyrazolo(1.5-a)pyrimid-2-yl)-thionophosphate, Pyrazophos [BSI:ISO], Ethyl 2-[(diethoxyphosphorothioyl)oxy]-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate

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
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • H302Harmful if swallowed
  • H332Harmful if inhaled
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P261, P264, P270, P271, P273, P301 + P317, P304 + P340, P317, P330, P391, 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 Pyrazophos
100 mgQuoted on request
250 mgQuoted on request
1 gQuoted on request
5 gQuoted on request

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

Questions about Pyrazophos

Which CAS number identifies Pyrazophos?
Pyrazophos is registered under CAS 13457-18-6. You may also see it listed as Ethyl 2-((diethoxyphosphinothioyl)oxy)-5-methylpyrazolo(1,5-a)pyrimidine-6-carboxylate, HOE-2873, O,O-Diethyl O-(5-methyl-6-(ethoxycarbonyl)-pyrazolo-(1,5-a)-pyrimid-2-yl)-thionophosphate. Our catalogue number for this item is ZX-046923.
What are the formula and molar mass of Pyrazophos?
For Pyrazophos, its formula is C14H20N3O5PS and its molar mass is 373.37 g/mol. The systematic (IUPAC) name is ethyl 2-diethoxyphosphinothioyloxy-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate. InChIKey JOOMJVFZQRQWKR-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Pyrazophos?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 100 mg, 250 mg, 1 g, 5 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Pyrazophos?
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 Pyrazophos to my country?
Yes. Because Pyrazophos 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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