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256494-18-5

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256494-18-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 256494-18-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,4,9 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 256494-18:
(8*2)+(7*5)+(6*6)+(5*4)+(4*9)+(3*4)+(2*1)+(1*8)=165
165 % 10 = 5
So 256494-18-5 is a valid CAS Registry Number.

256494-18-5Relevant articles and documents

Synthesis of a small library of mixed-acid phospholipids from D-mannitol as a homochiral starting material

Xia, Jie,Hui, Yong-Zheng

, p. 1659 - 1663 (2007/10/03)

Synthesis of a series of mixed-acid phospholipids containing a polyunsaturated fatty acid using a newly protecting strategy are described. Thus, benzyl and methyl α-(2,4-dinitrophenyl)acetic acid which were respectively removed by BCl3 and 354 nm light are used as protecting groups.

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