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82518-82-9

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82518-82-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82518-82-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,5,1 and 8 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 82518-82:
(7*8)+(6*2)+(5*5)+(4*1)+(3*8)+(2*8)+(1*2)=139
139 % 10 = 9
So 82518-82-9 is a valid CAS Registry Number.
InChI:InChI=1/C28H38N4O6S/c1-39-16-14-23(28(37)38)32-27(36)24(18-19-7-3-2-4-8-19)31-25(34)9-5-6-15-30-26(35)22(29)17-20-10-12-21(33)13-11-20/h2-4,7-8,10-13,22-24,33H,5-6,9,14-18,29H2,1H3,(H,30,35)(H,31,34)(H,32,36)(H,37,38)/t22-,23-,24-/m0/s1

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