134700-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134700-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,7,0 and 0 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 134700-85:
(8*1)+(7*3)+(6*4)+(5*7)+(4*0)+(3*0)+(2*8)+(1*5)=109
109 % 10 = 9
So 134700-85-9 is a valid CAS Registry Number.