1422971-70-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1422971-70-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,2,9,7 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1422971-70:
(9*1)+(8*4)+(7*2)+(6*2)+(5*9)+(4*7)+(3*1)+(2*7)+(1*0)=157
157 % 10 = 7
So 1422971-70-7 is a valid CAS Registry Number.