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78596-76-6

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78596-76-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78596-76-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,5,9 and 6 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 78596-76:
(7*7)+(6*8)+(5*5)+(4*9)+(3*6)+(2*7)+(1*6)=196
196 % 10 = 6
So 78596-76-6 is a valid CAS Registry Number.

78596-76-6Relevant articles and documents

A New Synthesis of Aflatoxin M1

Buechi, George,Francisco, Manuel A.,Liesch, Jerrold M.,Schuda, Paul F.

, p. 3497 - 3501 (2007/10/02)

Starting with the known and readily available phloroglucinol monobenzenesulfonate (4) and 1,4-anhydroerythritol (7), we prepared aflatoxin M1 (1) in 13 steps with an overall yield of 5percent.The critical features of this second synthesis of aflatoxin M1 (1) include a novel approach to the tricyclic phenol 21 containing the ABC ring system, a regioselective hydrogenolysis of the benzyl protecting group at C6 in 16, and removal of the second benzyl group in 20 by Birch reduction.Neither the 1,3,5-trialkoxy-substituted benzene ring nor the vinyl ether function present in 20 were affected in the latter operation.

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