210037-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 210037-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,0,3 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 210037-90:
(8*2)+(7*1)+(6*0)+(5*0)+(4*3)+(3*7)+(2*9)+(1*0)=74
74 % 10 = 4
So 210037-90-4 is a valid CAS Registry Number.