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65981-96-6

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65981-96-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65981-96-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,9,8 and 1 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 65981-96:
(7*6)+(6*5)+(5*9)+(4*8)+(3*1)+(2*9)+(1*6)=176
176 % 10 = 6
So 65981-96-6 is a valid CAS Registry Number.

65981-96-6Relevant articles and documents

Synthesis and NMR Studies of Some Steriodal Isoxazoles

Giacopello, Sergio,Deluca, Monica E.,Seldes, Alicia M.

, p. 891 - 897 (2007/10/02)

A short synthesis of 17α-pregna-2,4-dien-isoxazol-17β-ol (1) is described using mild reaction conditions and with a high overall yield.The equilibrium between keto-enolic forms has been studied by 1H NMR methods.Complete assignments of all the resonances in the 1H and 13C NMR spectra of Danazol have been made using a variety of one and two-dimensional correlation methods. 13C NMR spectra of all the intermediate and related model compounds were also assigned. Key words: Anabolic Agents, Isoxazolinic Steroids, 17α-Pregna-2,4-dien-isoxazol-17β-ol, Synthesis, NMR Spectra

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