214836-91-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 214836-91-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,4,8,3 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 214836-91:
(8*2)+(7*1)+(6*4)+(5*8)+(4*3)+(3*6)+(2*9)+(1*1)=136
136 % 10 = 6
So 214836-91-6 is a valid CAS Registry Number.