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91401-23-9

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91401-23-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91401-23-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,4,0 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91401-23:
(7*9)+(6*1)+(5*4)+(4*0)+(3*1)+(2*2)+(1*3)=99
99 % 10 = 9
So 91401-23-9 is a valid CAS Registry Number.
InChI:InChI=1/C24H24I3N2O6/c1-23(2)11-14(24(3,4)29(23)34)21(31)28-18(22(32)33)9-12-7-16(26)20(17(27)8-12)35-13-5-6-19(30)15(25)10-13/h5-8,10-11,18,30H,9H2,1-4H3,(H,28,31)(H,32,33)/t18-/m0/s1

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