158719-26-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158719-26-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,7,1 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 158719-26:
(8*1)+(7*5)+(6*8)+(5*7)+(4*1)+(3*9)+(2*2)+(1*6)=167
167 % 10 = 7
So 158719-26-7 is a valid CAS Registry Number.