1353989-61-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1353989-61-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,3,9,8 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1353989-61:
(9*1)+(8*3)+(7*5)+(6*3)+(5*9)+(4*8)+(3*9)+(2*6)+(1*1)=203
203 % 10 = 3
So 1353989-61-3 is a valid CAS Registry Number.