842140-43-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 842140-43-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,2,1,4 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 842140-43:
(8*8)+(7*4)+(6*2)+(5*1)+(4*4)+(3*0)+(2*4)+(1*3)=136
136 % 10 = 6
So 842140-43-6 is a valid CAS Registry Number.
InChI:InChI=1/C12H15Br/c1-3-4-11-5-7-12(8-6-11)9-10(2)13/h5-8H,2-4,9H2,1H3