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128957-47-1

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128957-47-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128957-47-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,5 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128957-47:
(8*1)+(7*2)+(6*8)+(5*9)+(4*5)+(3*7)+(2*4)+(1*7)=171
171 % 10 = 1
So 128957-47-1 is a valid CAS Registry Number.

128957-47-1Downstream Products

128957-47-1Relevant articles and documents

Arylazide additions to α- and β- aminoacrylonitriles: Synthesis of 5-amino and 4-cyano-1,2,3-triazoles. Kinetic study of the cycloaddition

Derdour, A.,Benabdallah, T.,Merah, B.,Texier, F.

, p. 69 - 78 (2007/10/02)

Arylazides reacted with α-aminoacrylonitriles 1 (captodative olefins) to produce in excellant yields 5-amino-1-aryl-1,2,3-triazoles.HCN was spontaneously eliminated from the corresponding triazoline.Reaction of the same 1,3-dipoles with β-aminoacrylonitri

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