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172753-09-2

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172753-09-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172753-09-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,7,5 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 172753-09:
(8*1)+(7*7)+(6*2)+(5*7)+(4*5)+(3*3)+(2*0)+(1*9)=142
142 % 10 = 2
So 172753-09-2 is a valid CAS Registry Number.
InChI:InChI=1/C18H19N3O3/c1-3-24-18(23)16(12-20-14-8-10-19-11-9-14)17(22)21-15-6-4-13(2)5-7-15/h4-12H,3H2,1-2H3,(H,19,20)(H,21,22)/b16-12+

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