1006900-20-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1006900-20-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,6,9,0 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1006900-20:
(9*1)+(8*0)+(7*0)+(6*6)+(5*9)+(4*0)+(3*0)+(2*2)+(1*0)=94
94 % 10 = 4
So 1006900-20-4 is a valid CAS Registry Number.