1239896-53-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1239896-53-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,8,9 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1239896-53:
(9*1)+(8*2)+(7*3)+(6*9)+(5*8)+(4*9)+(3*6)+(2*5)+(1*3)=207
207 % 10 = 7
So 1239896-53-7 is a valid CAS Registry Number.