1213056-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1213056-85-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,3,0,5 and 6 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1213056-85:
(9*1)+(8*2)+(7*1)+(6*3)+(5*0)+(4*5)+(3*6)+(2*8)+(1*5)=109
109 % 10 = 9
So 1213056-85-9 is a valid CAS Registry Number.