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97382-55-3

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97382-55-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97382-55-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,3,8 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 97382-55:
(7*9)+(6*7)+(5*3)+(4*8)+(3*2)+(2*5)+(1*5)=173
173 % 10 = 3
So 97382-55-3 is a valid CAS Registry Number.

97382-55-3Relevant articles and documents

SYNTHESIS OF STABLE 3,6-EPIDIOXYPYRAZIN-2-ONES AND α-OXO IMIDES BY PHOTOOXYGENATION OF PYRAZIN-2-ONES WITH SINGLET OXYGEN

Nishio, Takehiko,Tokunaga, Naoko (nee Nakajima),Kondo, Masaji,Omote, Yoshimori

, p. 2921 - 2926 (2007/10/02)

Irradiation of the pyrazin-2-ones (1) in methanol under oxygen gave the 3,6-epidioxypyrazin-2-ones (2), the N-alkyl-N-acyl-α-oxo-amides (3), and the unusual products, N-alkyl-α-acyloxy-α-methoxy amides (4).The mechanism for the formation of these photoproducts is discussed.Furthermore, thermal or photochemical treatment of the 3,6-epidioxypyrazinones (2), which could be readily obtained by the reaction of (1) and singlet oxygen, gave the N-alkyl-N-acyl-α-oxo amides (3) and this reaction would provide a useful synthetic method for the α-oxo imides (3).

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