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121654-33-9

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121654-33-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121654-33-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,6,5 and 4 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 121654-33:
(8*1)+(7*2)+(6*1)+(5*6)+(4*5)+(3*4)+(2*3)+(1*3)=99
99 % 10 = 9
So 121654-33-9 is a valid CAS Registry Number.

121654-33-9Downstream Products

121654-33-9Relevant articles and documents

Formation and Characterization of 3-O-Arenediazoascorbic Acids. New Stable Diazo Ethers

Doyle, Michael P.,Nesloney, Carey L.,Shanklin, Michael S.,Marsh, Carol A.,Brown, Kathlynn C.

, p. 3785 - 3789 (2007/10/02)

Ascorbic acid reacts with arenediazonium salts to form stable compounds whose structures have been spectroscopically identified as 3-O-arenediazoascorbic acids.The pKa values of the p-nitro- and p-chlorobenzenediazo derivatives are 10.2 and 10.

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