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82758-42-7

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82758-42-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82758-42-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,7,5 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 82758-42:
(7*8)+(6*2)+(5*7)+(4*5)+(3*8)+(2*4)+(1*2)=157
157 % 10 = 7
So 82758-42-7 is a valid CAS Registry Number.
InChI:InChI=1/C18H14N2O5S/c1-24-16-7-3-2-5-12(16)11-25-26(22,23)17-8-4-6-14-13(17)9-10-15(20-19)18(14)21/h2-10H,11H2,1H3

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