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73442-84-9

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73442-84-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73442-84-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,4,4 and 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 73442-84:
(7*7)+(6*3)+(5*4)+(4*4)+(3*2)+(2*8)+(1*4)=129
129 % 10 = 9
So 73442-84-9 is a valid CAS Registry Number.

73442-84-9Relevant articles and documents

Thermolysis of Oxazolin-5-ones, X. 3-Imidazolines and Δ3-Tetrahydropyrimidines by Thermolysis of 3-Oxazolin-5-ones Derived from N-Acyl Dipeptides

Schulz, Guenter,Steglich, Wolfgang

, p. 770 - 786 (2007/10/02)

On thermolysis 2-(acylaminomethyl)-3-oxazolin-5-ones (3a-g) undergo elimination of CO2 to give nitrile ylides which cyclize to 3-imidazolines 4a-g via intramolecular proton transfer.The 2-acylaminoethyl derivative 3h yields a Δ3-tetrahydropyrim

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