253786-51-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 253786-51-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,7,8 and 6 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 253786-51:
(8*2)+(7*5)+(6*3)+(5*7)+(4*8)+(3*6)+(2*5)+(1*1)=165
165 % 10 = 5
So 253786-51-5 is a valid CAS Registry Number.