1400917-22-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1400917-22-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,0,9,1 and 7 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1400917-22:
(9*1)+(8*4)+(7*0)+(6*0)+(5*9)+(4*1)+(3*7)+(2*2)+(1*2)=117
117 % 10 = 7
So 1400917-22-7 is a valid CAS Registry Number.
1400917-22-7Relevant articles and documents
Synthesis of tetra-substituted pyrazoles
Rüger, Anne J.,Nieger, Martin,Br?se, Stefan
, p. 8823 - 8829 (2012/11/06)
A set of highly substituted pyrazoles bearing different functional groups on the pyrazole core was developed. Employing a suitable protecting group strategy we could regioselectively introduce various substituents in position 1, 3 and 4 of the pyrazole. T
