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27240-79-5

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27240-79-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27240-79-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,2,4 and 0 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 27240-79:
(7*2)+(6*7)+(5*2)+(4*4)+(3*0)+(2*7)+(1*9)=105
105 % 10 = 5
So 27240-79-5 is a valid CAS Registry Number.
InChI:InChI=1/C31H26Cl2N4O6/c1-21-18-24(12-13-28(21)34-35-29-26(32)19-25(37(40)41)20-27(29)33)36(14-16-42-30(38)22-8-4-2-5-9-22)15-17-43-31(39)23-10-6-3-7-11-23/h2-13,18-20H,14-17H2,1H3/b35-34+

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