Cas 81114-34-3,5-amino-3-(1-methylpropyl)-1-phenylpyrazole

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Check Digit Verification of cas no

The CAS Registry Mumber 81114-34-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,1 and 4 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 81114-34:
(7*8)+(6*1)+(5*1)+(4*1)+(3*4)+(2*3)+(1*4)=93
93 % 10 = 3
So 81114-34-3 is a valid CAS Registry Number.

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81114-34-3Relevant academic research and scientific papers

Allenes. Part 39. The Synthesis of 3-Alkyl-5-aminopyrazoles and 3H-Indoles from Allenic or Acetylenic Nitriles

Fomum, Z. Tanee,Landor, Stephen R.,Landor, Phyllis D.,Mpango, George W. P.

, p. 2997 - 3001 (2007/10/02)

Hydrazine adds to allenic or acetylenic nitriles to give 3-alkyl-substituted 5-aminopyrazoles in excellent yields.Conjugated and unconjugated enaminic nitriles may be isolated from the Michael addition of phenylhydrazine to allenic nitriles and ring-close

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