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203940-51-6

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203940-51-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 203940-51-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,9,4 and 0 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 203940-51:
(8*2)+(7*0)+(6*3)+(5*9)+(4*4)+(3*0)+(2*5)+(1*1)=106
106 % 10 = 6
So 203940-51-6 is a valid CAS Registry Number.

203940-51-6Relevant articles and documents

Synthesis of optically active thromboxane A2 and Leukotriene D4 receptor antagonists

Kawazoe, Souichirou,Okamoto, Yoshinori,Yokota, Masaki,Kubota, Hirokazu,Naito, Ryo,Takeuchi, Makoto,Ieda, Shigeru,Okada, Minoru,Oriyama, Takeshi

, p. 127 - 140 (2014/02/14)

Both (+)- and (-)-4-{[(2-{4-cUorophenylsulfonylamino}-1-{3-[(Q-2-(7-cWoro- 2-quinolyl)-vinyl]phenyl}ethyl)-thio]methyl}benzoic acid (1), Thromboxane A2 and Leukotriene D4 receptor dual antagonist were synthesized. Racemic methyl 4-({[2-amino-1-(3-hydroxym

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