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82780-42-5

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82780-42-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82780-42-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,7,8 and 0 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 82780-42:
(7*8)+(6*2)+(5*7)+(4*8)+(3*0)+(2*4)+(1*2)=145
145 % 10 = 5
So 82780-42-5 is a valid CAS Registry Number.

82780-42-5Relevant articles and documents

Studies related to the synthesis of pederin. Part 2. Synthesis of pederol dibenzoate and benzoylpedamide

Willson, Timothy M.,Kocienski, Philip,Jarowicki, Krzysztof,Isaac, Kim,Hitchcock, Peter M.,Faller, Andrew,Campbell, Simon F.

, p. 1767 - 1782 (2007/10/02)

Syntheses of the ring B fragments (+)-pederol dibenzoate (2) and (±)-benzoylpedamide (3) of the insect toxin pederin (1) are described. An intramolecular directed aldol condensation was used to construct the tetrahydropyran ring in (+)-pederol dibenzoate

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