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532423-91-9

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532423-91-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 532423-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,3,2,4,2 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 532423-91:
(8*5)+(7*3)+(6*2)+(5*4)+(4*2)+(3*3)+(2*9)+(1*1)=129
129 % 10 = 9
So 532423-91-9 is a valid CAS Registry Number.

532423-91-9Upstream product

532423-91-9Relevant articles and documents

Synthesis of bioactive sesquiterpene heliannuol E involving a ring-expansion reaction of spirodienones

Doi, Fuminao,Ogamino, Takahisa,Sugai, Takeshi,Nishiyama, Shigeru

, p. 411 - 413 (2007/10/03)

A heliannane-type sesquiterpene, heliannuol E (1), has been successfully synthesized. The key step was conversion of the electrochemically produced spiro compounds (8, and 18) into the corresponding dihydrobenzopyrans (11, 12, 19, and 20) by a selective r

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