51971-64-3 Usage
General Description
3,5-dichlorophthalic anhydride is a chemical compound with the formula C8H2Cl2O3. It is a white crystalline solid that is derived from the reaction of phthalic anhydride with chlorine. 3,5-dichlorophthalic anhydride is used as an intermediate in the production of dyes, pigments, and polymers. It is also used as a building block in the synthesis of various organic compounds. 3,5-dichlorophthalic anhydride is known for its strong acylating and dehydrating properties, making it useful in a variety of chemical reactions. However, it is also a hazardous chemical and should be handled with care due to its potential for causing skin and eye irritation and being harmful if ingested or inhaled.
Check Digit Verification of cas no
The CAS Registry Mumber 51971-64-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,9,7 and 1 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 51971-64:
(7*5)+(6*1)+(5*9)+(4*7)+(3*1)+(2*6)+(1*4)=133
133 % 10 = 3
So 51971-64-3 is a valid CAS Registry Number.
InChI:InChI=1/C8H2Cl2O3/c9-3-1-4-6(5(10)2-3)8(12)13-7(4)11/h1-2H
51971-64-3Relevant articles and documents
Insecticidal Benzenedicarboxamide Derivative
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Page/Page column 107, (2011/08/06)
The present invention relates to a novel benzenedicarboxamide derivative and the use thereof as an insecticide having the formula (I) wherein the chemical groups W1 to W9, and R1 to R3 are as defined here-in.
