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78555-77-8

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78555-77-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78555-77-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,5,5 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 78555-77:
(7*7)+(6*8)+(5*5)+(4*5)+(3*5)+(2*7)+(1*7)=178
178 % 10 = 8
So 78555-77-8 is a valid CAS Registry Number.

78555-77-8Relevant articles and documents

Synthesis of 3-Acyl-1,2-benzisoxazoles

Yamamori, Teruo,Hiramatsu, Yoshiharu,Adachi, Ikuo

, p. 347 - 350 (2007/10/02)

A convenient method for the synthesis of 3-acyl-1,2-benzisoxazoles, which are unstable toward bases, is described.Base-catalyzed cyclization of 2-alkyl- and aryl-1,3-dithian-2-yl o-chlorophenylketoximes 4a-l gave 3-(2-alkyl- and aryl-1,3-dithian-2-yl)-1,2-benzisoxazoles 8a-l, which were converted into the corresponding 3-acyl-1,2-benzisoxazoles 1a-l.

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