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121284-42-2

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121284-42-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121284-42-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,2,8 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 121284-42:
(8*1)+(7*2)+(6*1)+(5*2)+(4*8)+(3*4)+(2*4)+(1*2)=92
92 % 10 = 2
So 121284-42-2 is a valid CAS Registry Number.
InChI:InChI=1/C15H12IN3O/c1-8(20)18-11-4-2-9-6-10-3-5-12(17)14(16)15(10)19-13(9)7-11/h2-7H,17H2,1H3,(H,18,20)

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