135471-20-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135471-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,4,7 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 135471-20:
(8*1)+(7*3)+(6*5)+(5*4)+(4*7)+(3*1)+(2*2)+(1*0)=114
114 % 10 = 4
So 135471-20-4 is a valid CAS Registry Number.