149756-66-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149756-66-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,7,5 and 6 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 149756-66:
(8*1)+(7*4)+(6*9)+(5*7)+(4*5)+(3*6)+(2*6)+(1*6)=181
181 % 10 = 1
So 149756-66-1 is a valid CAS Registry Number.