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134953-93-8

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134953-93-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134953-93-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,9,5 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 134953-93:
(8*1)+(7*3)+(6*4)+(5*9)+(4*5)+(3*3)+(2*9)+(1*3)=148
148 % 10 = 8
So 134953-93-8 is a valid CAS Registry Number.
InChI:InChI=1/C33H40O21/c1-9-19(39)29(53-32-25(45)23(43)20(40)16(7-34)51-32)27(47)31(49-9)48-8-17-21(41)24(44)26(46)33(52-17)54-30-22(42)18-14(38)5-11(35)6-15(18)50-28(30)10-2-3-12(36)13(37)4-10/h2-6,9,16-17,19-21,23-27,29,31-41,43-47H,7-8H2,1H3/t9-,16+,17+,19-,20+,21-,23-,24-,25+,26+,27+,29+,31+,32-,33-/m0/s1

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