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2554-05-4

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2554-05-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2554-05-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,5 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2554-05:
(6*2)+(5*5)+(4*5)+(3*4)+(2*0)+(1*5)=74
74 % 10 = 4
So 2554-05-4 is a valid CAS Registry Number.
InChI:InChI=1/C10H16N2O8.H3N/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20;/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);1H3

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