1228956-88-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1228956-88-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,8,9,5 and 6 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1228956-88:
(9*1)+(8*2)+(7*2)+(6*8)+(5*9)+(4*5)+(3*6)+(2*8)+(1*8)=194
194 % 10 = 4
So 1228956-88-4 is a valid CAS Registry Number.