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82534-57-4

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82534-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82534-57-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,5,3 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 82534-57:
(7*8)+(6*2)+(5*5)+(4*3)+(3*4)+(2*5)+(1*7)=134
134 % 10 = 4
So 82534-57-4 is a valid CAS Registry Number.
InChI:InChI=1/C37H47NO13/c1-15-10-11-23(40)16(2)36(47)38-22-14-24(41)26-27(32(22)45)31(44)20(6)34-28(26)35(46)37(8,51-34)49-13-12-25(48-9)17(3)33(50-21(7)39)19(5)30(43)18(4)29(15)42/h10-19,23,25,29-30,33,40,42-44H,1-9H3,(H,38,47)/b11-10+,13-12+

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