212902-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 212902-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,2,9,0 and 2 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 212902-45:
(8*2)+(7*1)+(6*2)+(5*9)+(4*0)+(3*2)+(2*4)+(1*5)=99
99 % 10 = 9
So 212902-45-9 is a valid CAS Registry Number.