180002-77-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 180002-77-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,0,0 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 180002-77:
(8*1)+(7*8)+(6*0)+(5*0)+(4*0)+(3*2)+(2*7)+(1*7)=91
91 % 10 = 1
So 180002-77-1 is a valid CAS Registry Number.