1217899-48-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1217899-48-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,8,9 and 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1217899-48:
(9*1)+(8*2)+(7*1)+(6*7)+(5*8)+(4*9)+(3*9)+(2*4)+(1*8)=193
193 % 10 = 3
So 1217899-48-3 is a valid CAS Registry Number.