128056-74-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128056-74-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,0,5 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128056-74:
(8*1)+(7*2)+(6*8)+(5*0)+(4*5)+(3*6)+(2*7)+(1*4)=126
126 % 10 = 6
So 128056-74-6 is a valid CAS Registry Number.