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180988-76-5

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180988-76-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 180988-76-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,9,8 and 8 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 180988-76:
(8*1)+(7*8)+(6*0)+(5*9)+(4*8)+(3*8)+(2*7)+(1*6)=185
185 % 10 = 5
So 180988-76-5 is a valid CAS Registry Number.

180988-76-5Relevant articles and documents

A novel and general route to diverse A-ring aromatic trichothecanes via cyclobutanes

Nemoto, Hideo,Miyata, Junji,Fukumoto, Keiichiro

, p. 10363 - 10374 (1996)

A novel and generally applicable approach to A-ring aromatic trichothecane 2 was achieved by the regiocontrolled cyclization of 25, 26, 29, and 30 as a key step, followed by stereoselective construction of the epoxide ring. This manuscript also described the regiocontrolled ring expansion of the olefinic cyclobutanols 19-22 to give the enones 23 and 24 which were the important intermediates in this approach.

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