1205683-65-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1205683-65-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,5,6,8 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1205683-65:
(9*1)+(8*2)+(7*0)+(6*5)+(5*6)+(4*8)+(3*3)+(2*6)+(1*5)=143
143 % 10 = 3
So 1205683-65-3 is a valid CAS Registry Number.