72121-84-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72121-84-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,2 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 72121-84:
(7*7)+(6*2)+(5*1)+(4*2)+(3*1)+(2*8)+(1*4)=97
97 % 10 = 7
So 72121-84-7 is a valid CAS Registry Number.
InChI:InChI=1/C6H7Br/c1-3-4-5-6(2)7/h1H,2,4-5H2