1365643-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1365643-25-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,6,5,6,4 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1365643-25:
(9*1)+(8*3)+(7*6)+(6*5)+(5*6)+(4*4)+(3*3)+(2*2)+(1*5)=169
169 % 10 = 9
So 1365643-25-9 is a valid CAS Registry Number.