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23523-12-8

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23523-12-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23523-12-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,5,2 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 23523-12:
(7*2)+(6*3)+(5*5)+(4*2)+(3*3)+(2*1)+(1*2)=78
78 % 10 = 8
So 23523-12-8 is a valid CAS Registry Number.
InChI:InChI=1/C36H108O18Si18/c1-55(2)37-56(3,4)39-58(7,8)41-60(11,12)43-62(15,16)45-64(19,20)47-66(23,24)49-68(27,28)51-70(31,32)53-72(35,36)54-71(33,34)52-69(29,30)50-67(25,26)48-65(21,22)46-63(17,18)44-61(13,14)42-59(9,10)40-57(5,6)38-55/h1-36H3

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