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212135-51-8

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212135-51-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 212135-51-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,2,1,3 and 5 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 212135-51:
(8*2)+(7*1)+(6*2)+(5*1)+(4*3)+(3*5)+(2*5)+(1*1)=78
78 % 10 = 8
So 212135-51-8 is a valid CAS Registry Number.

212135-51-8Downstream Products

212135-51-8Relevant 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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