101772-18-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 101772-18-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,7,7 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 101772-18:
(8*1)+(7*0)+(6*1)+(5*7)+(4*7)+(3*2)+(2*1)+(1*8)=93
93 % 10 = 3
So 101772-18-3 is a valid CAS Registry Number.