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25494-52-4

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25494-52-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25494-52-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,4,9 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 25494-52:
(7*2)+(6*5)+(5*4)+(4*9)+(3*4)+(2*5)+(1*2)=124
124 % 10 = 4
So 25494-52-4 is a valid CAS Registry Number.

25494-52-4Upstream product

25494-52-4Relevant articles and documents

PARTIAL SYNTHESIS OF AROMATIC CAROTENOIDS, TEDANIN, AGELAXANTHIN A, TETHYATENE, AND RENIERATENE

Shimada, Akira,Ezaki, Yoichiro,Inanaga, Junji,Katsuki, Tsutomu,Yamaguchi, Masaru

, p. 773 - 774 (2007/10/02)

Aromatic carotenoids, tedanin, agelaxanthin A, and tethyatene were synthesized from O-acetyl-β-citraurin derived from natural zeaxanthin, and tethyatene was further transformed into renieratene as the first example of aromatization of an alicyclic ring in

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