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81790-80-9

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81790-80-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81790-80-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,9 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81790-80:
(7*8)+(6*1)+(5*7)+(4*9)+(3*0)+(2*8)+(1*0)=149
149 % 10 = 9
So 81790-80-9 is a valid CAS Registry Number.
InChI:InChI=1/C26H34N8O7S/c1-16-6-12-19(13-7-16)42(40,41)22(27)25(37)33-15-3-5-21(33)24(36)32-23(35)20(4-2-14-30-26(28)29)31-17-8-10-18(11-9-17)34(38)39/h6-13,20-22,31H,2-5,14-15,27H2,1H3,(H4,28,29,30)(H,32,35,36)/t20-,21-,22-/m0/s1

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