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137759-83-2

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137759-83-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137759-83-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,7,5 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137759-83:
(8*1)+(7*3)+(6*7)+(5*7)+(4*5)+(3*9)+(2*8)+(1*3)=172
172 % 10 = 2
So 137759-83-2 is a valid CAS Registry Number.
InChI:InChI=1/C41H56N4O5.B.2FH/c1-28(2)41(32-12-17-37(48-7)39(25-32)50-9,20-10-21-45(5)22-19-31-11-16-36(47-6)38(24-31)49-8)27-42-40(46)18-15-33-13-14-34(44-33)26-35-29(3)23-30(4)43-35;;;/h11-14,16-17,23-26,28H,10,15,18-22,27H2,1-9H3,(H2,42,43,44,46);;2*1H/q;+3;;/p-3

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