1422729-34-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1422729-34-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,2,7,2 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1422729-34:
(9*1)+(8*4)+(7*2)+(6*2)+(5*7)+(4*2)+(3*9)+(2*3)+(1*4)=147
147 % 10 = 7
So 1422729-34-7 is a valid CAS Registry Number.