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107155-21-5

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107155-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107155-21-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,1,5 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 107155-21:
(8*1)+(7*0)+(6*7)+(5*1)+(4*5)+(3*5)+(2*2)+(1*1)=95
95 % 10 = 5
So 107155-21-5 is a valid CAS Registry Number.

107155-21-5Downstream Products

107155-21-5Relevant articles and documents

Spirolactones of tyrosine: Synthesis and reaction with nucleophiles

Hutinec, Antun,Ziogas, Athanassios,El-Mobayed, Medhat,Rieker, Anton

, p. 2201 - 2208 (2007/10/03)

Several quinonoidal spirolactones (1-oxaspiro[4,5]deca-6,9-diene-2,8-diones) 12 have been synthesized chemically or electrochemically by oxidation of the corresponding tyrosine phenols 3. The spirolactones are of considerable value in peptide chemistry, b

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