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5-phenyltetrazol-2-ylbutanoic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21054-69-3

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21054-69-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21054-69-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,0,5 and 4 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 21054-69:
(7*2)+(6*1)+(5*0)+(4*5)+(3*4)+(2*6)+(1*9)=73
73 % 10 = 3
So 21054-69-3 is a valid CAS Registry Number.

21054-69-3Downstream Products

21054-69-3Relevant academic research and scientific papers

Synthesis and acidity of 5-phenyltetrazol-2-ylalkanoic acids and the corresponding 5-(5-phenyltetrazol-2-ylalkyl)tetrazoles

Esikov,Zubarev,Bezklubnaya,Malin,Ostrovskii

, p. 986 - 991 (2007/10/03)

We have obtained 5-phenyltetrazol-2-ylalkanoic acids and their derivatives containing terminal nitrile, amide, and tetrazol-5-yl groups. Tetrazolylalkanoic acids with two (pKa 4.93) and three (pKa 5.45) bridging methylene groups are

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