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954143-60-3

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954143-60-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 954143-60-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,4,1,4 and 3 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 954143-60:
(8*9)+(7*5)+(6*4)+(5*1)+(4*4)+(3*3)+(2*6)+(1*0)=173
173 % 10 = 3
So 954143-60-3 is a valid CAS Registry Number.

954143-60-3Relevant articles and documents

Acid- and base-stable esters: A new protecting group for carboxylic acids

Kurosu, Michio,Biswas, Kallolmay,Narayanasamy, Prabagaran,Crick, Dean C.

, p. 2513 - 2516 (2008/02/13)

An acid- and base-stable protecting group for carboxylic acids is described. The esters of (2,6-dichloro-4-methoxyphenyl)(2,4-dichlorophenyl) methanol are stable to Bransted and Lewis acids, Bronsted bases, and a wide variety of nucleophiles; however, the esters can be conveniently deprotected by a solvolytic displacement reaction with 20% trifluoroacetic acid. Georg Thieme Verlag Stuttgart.

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