1236563-13-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1236563-13-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,6,5,6 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1236563-13:
(9*1)+(8*2)+(7*3)+(6*6)+(5*5)+(4*6)+(3*3)+(2*1)+(1*3)=145
145 % 10 = 5
So 1236563-13-5 is a valid CAS Registry Number.