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133548-78-4

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133548-78-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133548-78-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,5,4 and 8 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 133548-78:
(8*1)+(7*3)+(6*3)+(5*5)+(4*4)+(3*8)+(2*7)+(1*8)=134
134 % 10 = 4
So 133548-78-4 is a valid CAS Registry Number.

133548-78-4Downstream Products

133548-78-4Relevant articles and documents

On the Remarkable Propensity for Carbon-Carbon Bond Cleavage Reactions in the C8-C10 Region of FK-506

Fisher, Matthew J.,Chow, Ken,Villalobos, Anabella,Danishefsky, Samuel J.

, p. 2900 - 2907 (2007/10/02)

It has been deduced from a series of transformations that formation of a tetrahedral intermediate at C9 in FK-506 occasions fragmentation of the C9-C10 bond by a retro-Claisen-like pathway or the C9-C8 bond by a benzilic acid type rearrangement.Reduction

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