135728-18-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135728-18-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,7,2 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 135728-18:
(8*1)+(7*3)+(6*5)+(5*7)+(4*2)+(3*8)+(2*1)+(1*8)=136
136 % 10 = 6
So 135728-18-6 is a valid CAS Registry Number.