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137339-24-3

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137339-24-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137339-24-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,3,3 and 9 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 137339-24:
(8*1)+(7*3)+(6*7)+(5*3)+(4*3)+(3*9)+(2*2)+(1*4)=133
133 % 10 = 3
So 137339-24-3 is a valid CAS Registry Number.
InChI:InChI=1/C19H19N7O6/c20-19-22-16-13(17(30)23-19)25(8-24(16)18-15(29)14(28)12(7-27)32-18)26(31)11-5-6-21-10-4-2-1-3-9(10)11/h1-6,8,12,14-15,18,26-28H,7H2,(H3,20,22,23,30)/t12-,14-,15-,18-/m1/s1

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