1421517-92-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1421517-92-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,5,1 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1421517-92:
(9*1)+(8*4)+(7*2)+(6*1)+(5*5)+(4*1)+(3*7)+(2*9)+(1*2)=131
131 % 10 = 1
So 1421517-92-1 is a valid CAS Registry Number.
1421517-92-1Relevant articles and documents
Reactions of some pyrazole-3-carboxylic acid chlorides with various anilides
Ilhan, Ilhan ?Zer,?Adir, Mehmet
, p. 1647 - 1650 (2013/05/09)
1H-pyrazole-3-carboxylic acid chlorides (3) can easily be converted into the corresponding 1H-pyrazole-3-carboxamide (5) by reaction with various anilides. It has been demonstrated that with the variation in reaction conditions, the reaction changes leadi