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109982-34-5

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109982-34-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109982-34-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,8 and 2 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 109982-34:
(8*1)+(7*0)+(6*9)+(5*9)+(4*8)+(3*2)+(2*3)+(1*4)=155
155 % 10 = 5
So 109982-34-5 is a valid CAS Registry Number.
InChI:InChI=1/C17H16IN5O7S/c18-9-2-8(23(28)29)1-7(12(9)25)4-31-16-11-15(19-5-20-16)22(6-21-11)17-14(27)13(26)10(3-24)30-17/h1-2,5-6,10,13-14,17,24-27H,3-4H2/t10-,13-,14-,17-/m1/s1

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