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16550-39-3

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16550-39-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16550-39-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,5,5 and 0 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 16550-39:
(7*1)+(6*6)+(5*5)+(4*5)+(3*0)+(2*3)+(1*9)=103
103 % 10 = 3
So 16550-39-3 is a valid CAS Registry Number.
InChI:InChI=1/C16H20O2.Na/c1-3-13-11(2)14(16(17)18)9-10-15(13)12-7-5-4-6-8-12;/h4-8,10-11,13-14H,3,9H2,1-2H3,(H,17,18);/q;+1/p-1

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