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266323-47-1

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266323-47-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 266323-47-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,6,3,2 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 266323-47:
(8*2)+(7*6)+(6*6)+(5*3)+(4*2)+(3*3)+(2*4)+(1*7)=141
141 % 10 = 1
So 266323-47-1 is a valid CAS Registry Number.

266323-47-1Relevant articles and documents

Total synthesis of macrosphelides B and A

Kobayashi, Yuichi,Kumar, Biju G.,Kurachi, Tomoaki

, p. 1559 - 1563 (2000)

An efficient total synthesis of macrosphelide B has been developed in which the C(5)-O(10) and the C(11)-O(16) fragments were prepared from (S)-1- (2-furyl)ethanol of >98% ee via oxidation of the furan part. In addition, macrosphelide B was transformed stereoselectively into macrosphelide A by reduction followed by Mitsunobu inversion. (C) 2000 Elsevier Science Ltd.

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