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175214-21-8

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175214-21-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 175214-21-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,5,2,1 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 175214-21:
(8*1)+(7*7)+(6*5)+(5*2)+(4*1)+(3*4)+(2*2)+(1*1)=118
118 % 10 = 8
So 175214-21-8 is a valid CAS Registry Number.

175214-21-8Relevant articles and documents

Chemoselective inhibition of the hydrogenolysis of the MPM protective group for phenolic hydroxy functions using a Pd/C-pyridine catalyst

Sajiki, Hironao,Kuno, Hiroko,Hirota, Kosaku

, p. 399 - 402 (1997)

A convenient method for the selective hydrogenation of phenolic benzyl ether, Cbz, benzyl ester, nitro and olefin functions distinguishing from the MPM (4-methoxybenzyl) protective group for the phenolic hydroxy groups was accomplished by the addition of pyridine to the Pd/C-catalyzed reduction system.

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