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143391-33-7

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143391-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143391-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,3,9 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 143391-33:
(8*1)+(7*4)+(6*3)+(5*3)+(4*9)+(3*1)+(2*3)+(1*3)=117
117 % 10 = 7
So 143391-33-7 is a valid CAS Registry Number.

143391-33-7Downstream Products

143391-33-7Relevant academic research and scientific papers

Ring transformation reactions of 3-[3/4-acetylphenyl] sydnones; synthesis of oxime, hydrazone and dibromo derivatives of 3-[3/4-acetylphenyl] sydnones and 3-[3/4-acetylphenyl]-5-methyl-[1,3,4]oxadiazolin-2-ones

Latthe, Prashant R.,Kamble, Ravindra R.,Badami, Bharati V.

, p. 654 - 658 (2007/10/03)

The oximes (3 and 4) and hydrazone (5a,b and 6a,b) derivatives of m/p-acetylphenylsydnones (1 and 2) have been subjected to one-pot ring conversion to the 3-[m/p-acetylphenyl]-5-methyl-[1,3,4]oxadiazolin-2-ones (7, 8, 9a,b and 10a,b). The α,β-unsaturated

Synthesis and antimicrobial activity of 3-(substituted-phenyl)-sydnones

Moustafa,Eisa

, p. 397 - 401 (2007/10/02)

3-(3 or 4-Acetylphenyl)-sydnones 7, 8 have been synthesized by formation of the glycines 3, 4, followed by nitrosation to 5, 6 and cyclization with acetic anhydride to sydnones. Sydnone derivatives carrying chalcone moieties 15, 16 were prepared by format

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