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91432-49-4

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91432-49-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91432-49-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,4,3 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 91432-49:
(7*9)+(6*1)+(5*4)+(4*3)+(3*2)+(2*4)+(1*9)=124
124 % 10 = 4
So 91432-49-4 is a valid CAS Registry Number.
InChI:InChI=1/C22H16O8/c1-3-8-7-11(24)14-15(12(8)22(29)30-2)21(28)16-17(20(14)27)19(26)13-9(18(16)25)5-4-6-10(13)23/h4-7,23-24,27-28H,3H2,1-2H3

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