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

MedKoo CAT#: 330242

CAS#: 158353-15-2

Description: Pyraclonil is a PPO inhibitor and herbicide. Pyraclonil was identified as highly effective in controlling the S and MHR E. indica populations.

Price and Availability

Size Price Shipping out time Quantity
100mg USD 1250 2 Weeks
200mg USD 1850 2 Weeks
500mg USD 2450 2 Weeks
1g USD 3250 2 Weeks
2g USD 5650 2 Weeks
Inquire bulk and customized quantity

Pricing updated 2021-01-20. Prices are subject to change without notice.

Pyraclonil, purity > 98%, is in stock. Current shipping out time is about 2 weeks after order is received. CoA, QC data and SDS documents are available in one week after order is received.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 330242
Name: Pyraclonil
CAS#: 158353-15-2
Chemical Formula: C15H15ClN6
Exact Mass: 314.1047
Molecular Weight: 314.777
Elemental Analysis: C, 57.24; H, 4.80; Cl, 11.26; N, 26.70

Related CAS #: 158353-15-2  

Synonym: Pyraclonil;

IUPAC/Chemical Name: 1-(3-Chloro-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-2-yl)-5-[methyl(prop-2-ynyl)amino]pyrazole-4-carbonitrile


InChi Code: InChI=1S/C15H15ClN6/c1-3-7-20(2)15-11(9-17)10-18-22(15)14-13(16)12-6-4-5-8-21(12)19-14/h1,10H,4-8H2,2H3


Technical Data

Solid powder

>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).

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:


1: Deng W, Yang Q, Chen Y, Yang M, Xia Z, Zhu J, Chen Y, Cai J, Yuan S. Cyhalofop-butyl and Glyphosate Multiple-Herbicide Resistance Evolved in an Eleusine indica Population Collected in Chinese Direct-Seeding Rice. J Agric Food Chem. 2020 Mar 4;68(9):2623-2630. doi: 10.1021/acs.jafc.9b07342. Epub 2020 Feb 25. PMID: 32058714.

2: Sudo M, Goto Y, Iwama K, Hida Y. Herbicide discharge from rice paddy fields by surface runoff and percolation flow: A case study in paddy fields in the Lake Biwa basin, Japan. J Pestic Sci. 2018 Feb 28;43(1):24-32. doi: 10.1584/jpestics.D17-061. PMID: 30363114; PMCID: PMC6140652.