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103428-20-2

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103428-20-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103428-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,4,2 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 103428-20:
(8*1)+(7*0)+(6*3)+(5*4)+(4*2)+(3*8)+(2*2)+(1*0)=82
82 % 10 = 2
So 103428-20-2 is a valid CAS Registry Number.
InChI:InChI=1/C34H38N4O7/c1-7-19-14(2)22-13-27-30(18(6)39)16(4)24(36-27)11-23-15(3)20(8-9-28(40)41)32(37-23)21(10-29(42)43)33-31(34(44)45)17(5)25(38-33)12-26(19)35-22/h11-15,19-20,36,38H,7-10H2,1-6H3,(H,40,41)(H,42,43)(H,44,45)/b22-13-,23-11-,24-11-,25-12-,26-12-,27-13-,32-21-,33-21-/t14-,15+,19-,20+/m1/s1

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