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53673-55-5

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53673-55-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 53673-55-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,6,7 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 53673-55:
(7*5)+(6*3)+(5*6)+(4*7)+(3*3)+(2*5)+(1*5)=135
135 % 10 = 5
So 53673-55-5 is a valid CAS Registry Number.

53673-55-5Relevant articles and documents

Total synthesis of a diarylheptanoid, rhoiptelol B

Reddy, Chada Raji,Rao, Nagavaram Narsimha,Srikanth, Boinapally

experimental part, p. 345 - 351 (2010/05/18)

A stereoselective total synthesis of rhoiptelol B has been accomplished for the first time. The four asymmetric centers were efficiently generated through Keck allylation, Jacobson epoxidation Aldol reaction and reductive etherification as the key steps.

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