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1227262-66-9

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1227262-66-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1227262-66-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,7,2,6 and 2 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1227262-66:
(9*1)+(8*2)+(7*2)+(6*7)+(5*2)+(4*6)+(3*2)+(2*6)+(1*6)=139
139 % 10 = 9
So 1227262-66-9 is a valid CAS Registry Number.

1227262-66-9Upstream product

1227262-66-9Downstream Products

1227262-66-9Relevant academic research and scientific papers

A synthesis of (S)-(-)-umbelactone and related α,β-butenolides

Goldring, William P.D.,Mann, John,Brockbank, Paul

scheme or table, p. 547 - 550 (2010/09/11)

The development of an asymmetric route for the synthesis of α,β-butenolide building blocks, starting from commercially available D-mannitol, is described. The devised route was applied to a synthesis of the (S)-(-)-enantiomer of the antiviral natural product umbelactone, together with the construction of other synthetically useful lactone structures. Georg Thieme Verlag Stuttgart.

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