1820747-15-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1820747-15-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,2,0,7,4 and 7 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1820747-15:
(9*1)+(8*8)+(7*2)+(6*0)+(5*7)+(4*4)+(3*7)+(2*1)+(1*5)=166
166 % 10 = 6
So 1820747-15-6 is a valid CAS Registry Number.