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78969-38-7

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78969-38-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78969-38-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,9,6 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 78969-38:
(7*7)+(6*8)+(5*9)+(4*6)+(3*9)+(2*3)+(1*8)=207
207 % 10 = 7
So 78969-38-7 is a valid CAS Registry Number.

78969-38-7Relevant articles and documents

Applications of crotyldiisopinocampheylboranes in synthesis: A formal total synthesis of (+)-calyculin A

Anderson, Oren P.,Barrett, Anthony G.M.,Edmunds, Jeremy J.,Hachiya, Shun-Ichiro,Hendrix, James A.,Horita, Kiyoshi,Malecha, James W.,Parkinson, Christopher J.,Vansickle, Andrew

, p. 1562 - 1592 (2007/10/03)

The formal total synthesis of the marine metabolite (+)-calyculin A is reported. The key steps involve (i) the use of Brown allylboration chemistry to control the relative and absolute stereochemistry of homoallylic alcohol arrays, thus setting eight of the desired stereocenters; (ii) Stille coupling methodology in the construction of the cyano tetraene unit of the natural product; and (iii) a modified Cornforth-Meyers approach to the synthesis of the oxazole fragment.

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