181772-29-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 181772-29-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,1,7,7 and 2 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 181772-29:
(8*1)+(7*8)+(6*1)+(5*7)+(4*7)+(3*2)+(2*2)+(1*9)=152
152 % 10 = 2
So 181772-29-2 is a valid CAS Registry Number.