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103979-34-6

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103979-34-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103979-34-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,9,7 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 103979-34:
(8*1)+(7*0)+(6*3)+(5*9)+(4*7)+(3*9)+(2*3)+(1*4)=136
136 % 10 = 6
So 103979-34-6 is a valid CAS Registry Number.

103979-34-6Downstream Products

103979-34-6Relevant articles and documents

THE PHOTOELIMINATION OF N-NITROSO-N-ACETYL-α-AMINO-ACIDS; A NEW SYNTHESIS OF 1,2,4-OXADIAZOLES

Chow, Yuan L.,Polo, Joel S.

, p. 727 - 734 (2007/10/02)

The excitation of N-nitroso-N-acetyl-α-aminoacids, nitrosopeptide model compounds, under neutral and weakly basic conditions, caused the homolysis of the N-N bond followed by decarboxylation to give hyponitrous acid (HNO) and N-acetylimines which were susceptible to nucleophilic addition.While weak bases caused the carboxylate group to assist intramolecular rearrangement to a small extent, they functioned primarily to provide nucleophilic NO-, which initiated nucleophilic attack leading to the C-nitroso derivatives.These C-nitroso derivatives spontaneously cyclized to 1,2,4-oxadiazoles much more rapidly than tautomerism to the corresponding oximes; the latter oximes failed to cyclize under the basic conditions.

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