38211-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 38211-90-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,2,1 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 38211-90:
(7*3)+(6*8)+(5*2)+(4*1)+(3*1)+(2*9)+(1*0)=104
104 % 10 = 4
So 38211-90-4 is a valid CAS Registry Number.