197781-25-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197781-25-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,7,8 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 197781-25:
(8*1)+(7*9)+(6*7)+(5*7)+(4*8)+(3*1)+(2*2)+(1*5)=192
192 % 10 = 2
So 197781-25-2 is a valid CAS Registry Number.
197781-25-2Relevant articles and documents
Substituted pyridines/pyrimidines, their preparation, and their use as pesticides
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, (2008/06/13)
The present invention relates to novel substituted pyridines/pyrimidines of the formula I where A is CH or N; X is NH, oxygen or S(O)qwhere q is 0, 1 or 2; Y is a direct bond or CH2; Z is oxygen, NR7or S(O)mis 0