Quinalphos - analytical standard, ≥99.5% , CAS No.13593-03-8

CAS: 13593-03-8 Cat. No.: Q109846 Formula: C12H15N2O3PS Molecular Weight: 298.3 Beilstein Registry Number: 754823 EC Number: 237-031-6 PubChem CID: 26124
AVAILABLE TO ORDER
GRADE & PURITY Analytical standard ? Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods. ≥99.5%
Synonyms
O,O-Diaethyl-O-(chinoxalyl-(2))-monothiophosphat [German]|Savall|Ekalux|O,O-Diethyl-O-(2-quinoxalinyl) phosphorothioate|SAN-6538|O,O-Diethyl O-2-quinoxalinyl phosphorothioic acid ester|Quinaltaf|Sandoz 6538|Diethyl O-(2-quinoxalyl) phosphorothioate|QUINALPHOS [ISO]|O,O-diethyl O-quinoxalin-2-yl thiophosphate|BAY-77049|diethoxy-quinoxalin-2-yloxy-sulfanylidenephosphorane|Ekalux 25EC|o,o-Diethyl O-2-quinoxalinyl phosphorothioate|Diethquinalphion|O,O-Diethyl O-quinoxalin-2-yl phosphorothioate|Chinalphos|Diethyl O-2-quinoxalinyl phosphorothioate|Guinalphos|QUINALPHOS|Diethyl 2-Quinoxalyl phosphorothionate|Diethyl O-quinoxalin-2-yl thionophosphate|SAN 6538 I|Wie oben|Quinalphos [BSI:ISO]|SRA 7312|BAY 5821|O,O-Diethyl O-(2-quinoxalyl) phosphorothionate|O,O-Diethyl O-(quinoxalin-2-yl) thiophosphate|O,O-Diethyl-O-2-quinoxalyl-thiophosphate|Phosphorothioic acid, O,O-diethyl O-2-quinoxalinyl ester|O,O-Diaethyl-O-(chinoxalyl-(2))-monothiophosphat|O,O-Diethyl-O-(quinoxalinyl-(2))-thionophosphate|O,O-Diethyl O-(2-quinoxalinyl) thiophosphate #|Quinalphos 25 EC|Phosphorothioic acid, O,O-diethyl O-(2-quinoxalinyl) ester|Quinolphos|diethoxy-quinoxalin-2-yloxy-sulfanylidene-$l^{5}-phosphane|SAN 6538|Sandoz 6626|QUINALFOS|Diethyl O-(quinoxalin-2-yl) thiophosphate|OLEOEKALUX|O,O-DIETHYL-O-QUINOXAL-2-YL THIONOPHOSPHATE|Diethchinalphion|O,O-Diethyl-O-(2-quinoxalyl) phosphorothioate|BAY 77049|diethoxy-quinoxalin-2-yloxy-sulfanylidene-lambda5-phosphane|O,O-Diethyl O-(2-chinoxalyl)-phosphorothioate|Spencer S-6538|Bayrusil|o,o-diethyl o-(2-quinoxalyl)phosphorothionate|O,O-diethyl O-(quinoxalin-2-yl) phosphorothioate
Storage
Protected from light,Room temperature,Desiccated
Shipped In
FedEx DG Service
★
Size
Germany (EU)
USA*
Price
Qty
20mg
Q109846-20mg
Made to order · 8–12 wks
€34.62
100mg
Q109846-100mg
—
1 In stock
€102.31
Enter a quantity for the sizes you want to add.

Specifications

Synonyms
O,O-Diaethyl-O-(chinoxalyl-(2))-monothiophosphat [German] | Savall | Ekalux | O,O-Diethyl-O-(2-quinoxalinyl) phosphorothioate | SAN-6538 | O,O-Diethyl O-2-quinoxalinyl phosphorothioic acid ester | Quinaltaf | Sandoz 6538 | Diethyl O-(2-quinoxalyl) phosphorothioate | QUINALPHOS [ISO] | O,O-diethyl O-quinoxalin-2-yl thiophosphate | BAY-7704 Show more
Specifications & Purity
analytical standard, ≥99.5%
Storage
Protected from light,Room temperature,Desiccated
Shipped In
FedEx DG Service
Grade
Analytical standard
Purity
≥99.5%
Product Line
Q109846-20mg
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/508812979
Canonical Smiles
CCOP(=S)(OCC)OC1=NC2=CC=CC=C2N=C1
IUPAC Name
diethoxy-quinoxalin-2-yloxy-sulfanylidene-λ5-phosphane
InChIKey
JYQUHIFYBATCCY-UHFFFAOYSA-N
INCHI
1S/C12H15N2O3PS/c1-3-15-18(19,16-4-2)17-12-9-13-10-7-5-6-8-11(10)14-12/h5-9H,3-4H2,1-2H3
Isomeric SMILES
CCOP(=S)(OCC)OC1=NC2=CC=CC=C2N=C1
WGK Germany
3
RTECS
TF6125000
PubChem CID
26124
UN Number
2810
Molecular Weight
298.3
Beilstein
754823

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassDiazanaphthalenes
SubclassBenzodiazines
Intermediate Tree Nodes Not available
Direct ParentQuinoxalines
Alternative Parents Aryl thiophosphates  Thiophosphate triesters  Pyrazines  Benzenoids  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Quinoxaline - Aryl thiophosphate - Thiophosphate triester - Thiophosphoric acid ester - Pyrazine - Organic thiophosphoric acid or derivatives - Benzenoid - Heteroaromatic compound - Azacycle - Organooxygen compound - Organonitrogen compound - Organic oxygen compound - Organic nitrogen compound - Hydrocarbon derivative - Organopnictogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as quinoxalines. These are compounds containing a quinoxaline moiety, a bicyclic heterocycle made up of a benzene ring fused to a pyrazine ring.
External Descriptors Organophosphorus insecticides
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
RXRA Tclin Retinoid X receptor alpha (3637 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
AHR Tclin Aryl hydrocarbon receptor (1071 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Oryza sativa (2923 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Nfe2l2 Nuclear factor erythroid 2-related factor 2 (214 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Lepidoptera (26 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates (CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

5 results found

Lot NumberCertificate TypeDateItem
I2602589I2602589Certificate of AnalysisAug 22, 2026 Q109846
I2602590I2602590Certificate of AnalysisAug 22, 2026 Q109846
F2204636F2204636Certificate of AnalysisDec 10, 2025 Q109846
K2511645K2511645Certificate of AnalysisNov 01, 2025 Q109846
K2511646K2511646Certificate of AnalysisNov 01, 2025 Q109846
Chemical and Physical Properties
SensitivityLight sensitive.
x_refractive_index1.5642
x_flash_point_drop_fahrenheit100℃
x_flash_point_drop_centigrade100℃
x_boil_point_char142°C
x_melt_point_char31-32°C
Molecular Weight298.300 g/mol
XLogP34.400
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count6
Rotatable Bond Count6
Exact Mass298.054 Da
Monoisotopic Mass298.054 Da
Topological Polar Surface Area85.600 Ų
Heavy Atom Count19
Formal Charge0
Complexity322.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

Frequently Asked Questions

What is the purity of this product?
This product is supplied at ≥99.5% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
What does analytical standard mean?
analytical standard is a defined analytical purity tier suitable for quantitative analytical methods. It specifies a minimum assay percentage, controlled limits on common impurities (water, heavy metals, residue on ignition), and lot-to-lot consistency. analytical standard is one of several purity tiers — choose based on the sensitivity and regulatory requirements of your method.
How should this product be stored?
Store at room temperature, protected from light, desiccated. Keep the container tightly closed with desiccant — the material is moisture-sensitive.
How is this product shipped?
This product is classified as dangerous goods and ships via FedEx DG Service. Ground and other economy services are not available, and delivery to some destinations or address types may be restricted.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 13593-03-8, the molecular formula is C12H15N2O3PS, and the molecular weight is 298.3 g/mol. InChIKey JYQUHIFYBATCCY-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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