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123895-05-6

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123895-05-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123895-05-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,8,9 and 5 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 123895-05:
(8*1)+(7*2)+(6*3)+(5*8)+(4*9)+(3*5)+(2*0)+(1*5)=136
136 % 10 = 6
So 123895-05-6 is a valid CAS Registry Number.

123895-05-6Relevant articles and documents

CHEMISTRY OF DERIVATIVES OF 1,5-DIKETONES. III. OXIDATION OF ARYL ALIPHATIC 1,5-DIKETONES BY (DIACETOXYIODO)BENZENE

Moskovkina, T. V.,Vysotskii, V. I.,Tilichenko, M. N.

, p. 450 - 454 (2007/10/02)

During oxidation with (diacetoxyiodo)benzene in methanol in the presence of potassium hydroxide 3-R-1,5-diphenyl-1,5-pentanediones form 2-hydroxy-3-R-1,5-diphenyl-1,5-pentanediones, methyl 5-oxo-3-R-2,5-diphenyl-2-R'-pentanoates, and 1,2-dibenzoyl-3-R-cyc

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