120771-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120771-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,7,7 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 120771-83:
(8*1)+(7*2)+(6*0)+(5*7)+(4*7)+(3*1)+(2*8)+(1*3)=107
107 % 10 = 7
So 120771-83-7 is a valid CAS Registry Number.