210155-46-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 210155-46-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,1,5 and 5 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 210155-46:
(8*2)+(7*1)+(6*0)+(5*1)+(4*5)+(3*5)+(2*4)+(1*6)=77
77 % 10 = 7
So 210155-46-7 is a valid CAS Registry Number.