1056233-21-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1056233-21-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,6,2,3 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1056233-21:
(9*1)+(8*0)+(7*5)+(6*6)+(5*2)+(4*3)+(3*3)+(2*2)+(1*1)=116
116 % 10 = 6
So 1056233-21-6 is a valid CAS Registry Number.