621685-64-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 621685-64-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,1,6,8 and 5 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 621685-64:
(8*6)+(7*2)+(6*1)+(5*6)+(4*8)+(3*5)+(2*6)+(1*4)=161
161 % 10 = 1
So 621685-64-1 is a valid CAS Registry Number.
InChI:InChI=1/C6H6N.BrH.Mg/c1-6-4-2-3-5-7-6;;/h2-4H,1H3;1H;/q;;+1/p-1/rC6H6BrMgN/c1-5-3-2-4-6(8-7)9-5/h2-4H,1H3