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80251-34-9

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80251-34-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80251-34-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,2,5 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 80251-34:
(7*8)+(6*0)+(5*2)+(4*5)+(3*1)+(2*3)+(1*4)=99
99 % 10 = 9
So 80251-34-9 is a valid CAS Registry Number.
InChI:InChI=1/C22H19N5O3.2CH4O3S/c23-20(24)15-8-11-18(17(12-15)19(28)13-4-2-1-3-5-13)30-21(29)14-6-9-16(10-7-14)27-22(25)26;2*1-5(2,3)4/h1-12H,(H3,23,24)(H4,25,26,27);2*1H3,(H,2,3,4)

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