180535-93-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 180535-93-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,5,3 and 5 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 180535-93:
(8*1)+(7*8)+(6*0)+(5*5)+(4*3)+(3*5)+(2*9)+(1*3)=137
137 % 10 = 7
So 180535-93-7 is a valid CAS Registry Number.