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MedKoo Cat#: 558522 | Name: Chlorpyrifos
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Description:

WARNING: This product is for research use only, not for human or veterinary use.

Chlorpyrifos is a phosphorothionate that is used as a organophosphate insecticide.

Chemical Structure

Chlorpyrifos
Chlorpyrifos
CAS#2921-88-2

Theoretical Analysis

MedKoo Cat#: 558522

Name: Chlorpyrifos

CAS#: 2921-88-2

Chemical Formula: C9H11Cl3NO3PS

Exact Mass: 348.9300

Molecular Weight: 350.57

Elemental Analysis: C, 30.83; H, 3.16; Cl, 30.34; N, 4.00; O, 13.69; P, 8.84; S, 9.14

Price and Availability

Size Price Availability Quantity
50mg USD 285.00 2 Weeks
100mg USD 550.00 2 Weeks
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Related CAS #
No Data
Synonym
Chlorpyrifos; Spannit; Stipend; Suscon;
IUPAC/Chemical Name
O,O-Diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate
InChi Key
SBPBAQFWLVIOKP-UHFFFAOYSA-N
InChi Code
InChI=1S/C9H11Cl3NO3PS/c1-3-14-17(18,15-4-2)16-9-7(11)5-6(10)8(12)13-9/h5H,3-4H2,1-2H3
SMILES Code
S=P(OCC)(OCC)OC1=NC(Cl)=C(Cl)C=C1Cl
Appearance
Solid powder
Purity
>98% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
Soluble in DMSO
Shelf Life
>3 years if stored properly
Drug Formulation
This drug may be formulated in DMSO
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.03.00
More Info

Preparing Stock Solutions

The following data is based on the product molecular weight 350.57 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
1: Muñoz A, Ródenas M, Borrás E, Vázquez M, Vera T. The gas-phase degradation of chlorpyrifos and chlorpyrifos-oxon towards OH radical under atmospheric conditions. Chemosphere. 2014 Sep;111:522-8. doi: 10.1016/j.chemosphere.2014.04.087. Epub 2014 May 22. PubMed PMID: 24997961. 2: Chen LZ, Li YL, Yu YL. Soil bacterial and fungal community successions under the stress of chlorpyrifos application and molecular characterization of chlorpyrifos-degrading isolates using ERIC-PCR. J Zhejiang Univ Sci B. 2014 Apr;15(4):322-32. doi: 10.1631/jzus.B1300175. PubMed PMID: 24711353; PubMed Central PMCID: PMC3989151. 3: Sanchez-Hernandez JC, Narvaez C, Sabat P, Martínez Mocillo S. Integrated biomarker analysis of chlorpyrifos metabolism and toxicity in the earthworm Aporrectodea caliginosa. Sci Total Environ. 2014 Aug 15;490:445-55. doi: 10.1016/j.scitotenv.2014.05.037. Epub 2014 May 24. PubMed PMID: 24867707. 4: Smith JN, Hinderliter PM, Timchalk C, Bartels MJ, Poet TS. A human life-stage physiologically based pharmacokinetic and pharmacodynamic model for chlorpyrifos: development and validation. Regul Toxicol Pharmacol. 2014 Aug;69(3):580-97. doi: 10.1016/j.yrtph.2013.10.005. Epub 2013 Nov 4. PubMed PMID: 24200834. 5: Lu MX, Jiang WW, Wang JL, Jian Q, Shen Y, Liu XJ, Yu XY. Persistence and dissipation of chlorpyrifos in Brassica chinensis, lettuce, celery, asparagus lettuce, eggplant, and pepper in a greenhouse. PLoS One. 2014 Jun 26;9(6):e100556. doi: 10.1371/journal.pone.0100556. eCollection 2014. PubMed PMID: 24967589; PubMed Central PMCID: PMC4072623. 6: Cao Y, Sun X, Guo Y, Zhao W, Wang X. An electrochemical immunosensor based on interdigitated array microelectrode for the detection of chlorpyrifos. Bioprocess Biosyst Eng. 2015 Feb;38(2):307-13. doi: 10.1007/s00449-014-1269-3. Epub 2014 Aug 14. PubMed PMID: 25119301. 7: Wu S, Zuo K, Kang Z, Yang Y, Oakeshott JG, Wu Y. A point mutation in the acetylcholinesterase-1 gene is associated with chlorpyrifos resistance in the plant bug Apolygus lucorum. Insect Biochem Mol Biol. 2015 Oct;65:75-82. doi: 10.1016/j.ibmb.2015.09.005. Epub 2015 Sep 9. PubMed PMID: 26363297. 8: Adams RM, McAdams BC, Arnold WA, Chin YP. Transformation of chlorpyrifos and chlorpyrifos-methyl in prairie pothole pore waters. Environ Sci Process Impacts. 2016 Nov 9;18(11):1406-1416. PubMed PMID: 27711832. 9: Solomon KR, Williams WM, Mackay D, Purdy J, Giddings JM, Giesy JP. Properties and uses of chlorpyrifos in the United States. Rev Environ Contam Toxicol. 2014;231:13-34. doi: 10.1007/978-3-319-03865-0_2. Review. PubMed PMID: 24723132. 10: Li R, Ji X, He L, Liu Z, Wei W, Qiang M, Wang Q, Yuan Y. Evaluation of chlorpyrifos transferred from contaminated feed to duck commodities and dietary risks to Chinese consumers. J Agric Food Chem. 2015 Jun 3;63(21):5296-304. doi: 10.1021/acs.jafc.5b01839. Epub 2015 May 22. PubMed PMID: 25946472. 11: Guo X, Chen X, Zhang H, Long X, He Q, Sun C, Huang X, He J. [The rabbit experimental study for toxicokinetics of chlorpyrifos impacted by hemoperfusion]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi. 2015 Nov;33(11):844-6. Chinese. PubMed PMID: 26887270. 12: Estevan C, Fuster E, Del Río E, Pamies D, Vilanova E, Sogorb MA. Organophosphorus pesticide chlorpyrifos and its metabolites alter the expression of biomarker genes of differentiation in D3 mouse embryonic stem cells in a comparable way to other model neurodevelopmental toxicants. Chem Res Toxicol. 2014 Sep 15;27(9):1487-95. doi: 10.1021/tx500051k. Epub 2014 Aug 29. PubMed PMID: 25137620. 13: Wang L, Liu Z, Zhang J, Wu Y, Sun H. Chlorpyrifos exposure in farmers and urban adults: Metabolic characteristic, exposure estimation, and potential effect of oxidative damage. Environ Res. 2016 Aug;149:164-170. doi: 10.1016/j.envres.2016.05.011. Epub 2016 May 18. PubMed PMID: 27208467. 14: Liu J, He Y, Chen S, Xiao Y, Hu M, Zhong G. Development of a freeze-dried fungal wettable powder preparation able to biodegrade chlorpyrifos on vegetables. PLoS One. 2014 Jul 25;9(7):e103558. doi: 10.1371/journal.pone.0103558. eCollection 2014. PubMed PMID: 25061758; PubMed Central PMCID: PMC4111614. 15: Wang C, Zhou Q, Zhang L, Zhang Y, Xiao E, Wu Z. Variation characteristics of chlorpyrifos in nonsterile wetland plant hydroponic system. Int J Phytoremediation. 2013;15(6):550-60. PubMed PMID: 23819296. 16: Halimah M, Ismail BS, Nashriyah M, Maznah Z. Mobility Studies of (14)C-Chlorpyrifos in Malaysian Oil Palm Soils. Bull Environ Contam Toxicol. 2016 Jan;96(1):120-4. doi: 10.1007/s00128-015-1685-3. Epub 2015 Nov 6. PubMed PMID: 26546229. 17: Giddings JM, Williams WM, Solomon KR, Giesy JP. Risks to aquatic organisms from use of chlorpyrifos in the United States. Rev Environ Contam Toxicol. 2014;231:119-62. doi: 10.1007/978-3-319-03865-0_5. Review. PubMed PMID: 24723135. 18: Lappharat S, Siriwong W, Taneepanichskul N, Borjan M, Maldonado Perez H, Robson M. Health risk assessment related to dermal exposure of chlorpyrifos: a case study of rice growing farmers in Nakhon Nayok Province, Central Thailand. J Agromedicine. 2014;19(3):294-302. doi: 10.1080/1059924X.2014.916643. PubMed PMID: 24959761. 19: Wu S, Peng Y, Huang Z, Huang Z, Xu L, Ivan G, Guan X, Zhang L, Zou S. Isolation and characterization of a novel native Bacillus thuringiensis strain BRC-HZM2 capable of degrading chlorpyrifos. J Basic Microbiol. 2015 Mar;55(3):389-97. doi: 10.1002/jobm.201300501. Epub 2013 Nov 14. PubMed PMID: 24243520. 20: Li B, Eyer P, Eddleston M, Jiang W, Schopfer LM, Lockridge O. Protein tyrosine adduct in humans self-poisoned by chlorpyrifos. Toxicol Appl Pharmacol. 2013 Jun 15;269(3):215-25. doi: 10.1016/j.taap.2013.03.021. Epub 2013 Apr 6. PubMed PMID: 23566956; PubMed Central PMCID: PMC3677773.

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