217819-94-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 217819-94-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,7,8,1 and 9 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 217819-94:
(8*2)+(7*1)+(6*7)+(5*8)+(4*1)+(3*9)+(2*9)+(1*4)=158
158 % 10 = 8
So 217819-94-8 is a valid CAS Registry Number.