216572-47-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 216572-47-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,5,7 and 2 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 216572-47:
(8*2)+(7*1)+(6*6)+(5*5)+(4*7)+(3*2)+(2*4)+(1*7)=133
133 % 10 = 3
So 216572-47-3 is a valid CAS Registry Number.