156770-70-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156770-70-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,7,7 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 156770-70:
(8*1)+(7*5)+(6*6)+(5*7)+(4*7)+(3*0)+(2*7)+(1*0)=156
156 % 10 = 6
So 156770-70-6 is a valid CAS Registry Number.