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201486-60-4

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201486-60-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201486-60-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,4,8 and 6 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 201486-60:
(8*2)+(7*0)+(6*1)+(5*4)+(4*8)+(3*6)+(2*6)+(1*0)=104
104 % 10 = 4
So 201486-60-4 is a valid CAS Registry Number.

201486-60-4Relevant articles and documents

2-(2-aminophenyl)-acetaldehyde dimethyl acetal: A novel reagent for the protection of carboxylic acids

Arai, Eri,Tokuyama, Hidetoshi,Linsell, Martin S.,Fukuyama, Tohru

, p. 71 - 74 (2007/10/03)

The synthesis and use of 2-(2-aminophenyl)-acetaldehyde dimethyl acetal 1 are described. The amides 2, derived from this amine and carboxylic acids, are stable under basic conditions and thus can be regarded as the protected carboxylic acids. The corresponding carboxylic acids are regenerated by conversion of 2 into indolylamides 3 by treatment with CSA and subsequent hydrolysis with LiOOH or NaOH. In addition, 3 can be easily converted to esters, amides, and aldehydes.

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