155807-35-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155807-35-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,8,0 and 7 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 155807-35:
(8*1)+(7*5)+(6*5)+(5*8)+(4*0)+(3*7)+(2*3)+(1*5)=145
145 % 10 = 5
So 155807-35-5 is a valid CAS Registry Number.