213899-33-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213899-33-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,8,9 and 9 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 213899-33:
(8*2)+(7*1)+(6*3)+(5*8)+(4*9)+(3*9)+(2*3)+(1*3)=153
153 % 10 = 3
So 213899-33-3 is a valid CAS Registry Number.