156491-70-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156491-70-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,4,9 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 156491-70:
(8*1)+(7*5)+(6*6)+(5*4)+(4*9)+(3*1)+(2*7)+(1*0)=152
152 % 10 = 2
So 156491-70-2 is a valid CAS Registry Number.