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127492-54-0

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127492-54-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127492-54-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,4,9 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 127492-54:
(8*1)+(7*2)+(6*7)+(5*4)+(4*9)+(3*2)+(2*5)+(1*4)=140
140 % 10 = 0
So 127492-54-0 is a valid CAS Registry Number.

127492-54-0Upstream product

127492-54-0Downstream Products

127492-54-0Relevant articles and documents

A Formal Synthesis of FK-506. Exploration of Some Alternatives to Macrolactamization

Jones, A. Brian,Villalobos, Annabella,Linde, Robert G.,Danishefsky, Samuel J.

, p. 2786 - 2797 (2007/10/02)

The coupling of the previously described subunits 2, 3, and 4 is described.The C28-C27 E-double bond is fashioned from a sulfurane induced dehydration of alcohol 11.The C19-C20 E-double bond was constructed via a modified Julia process culminating in a reductive elimination of a vicinal trifluoroacetoxy sulfone (see 22 -> 23 -> 24 and 25).The synthesis of intermediates anticipating potential macrolactonization are also described.

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