84902-30-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84902-30-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,9,0 and 2 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 84902-30:
(7*8)+(6*4)+(5*9)+(4*0)+(3*2)+(2*3)+(1*0)=137
137 % 10 = 7
So 84902-30-7 is a valid CAS Registry Number.