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128961-13-7

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128961-13-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128961-13-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,6 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 128961-13:
(8*1)+(7*2)+(6*8)+(5*9)+(4*6)+(3*1)+(2*1)+(1*3)=147
147 % 10 = 7
So 128961-13-7 is a valid CAS Registry Number.

128961-13-7Relevant articles and documents

2-phenylchroman-4-one derivatives and antiviral composition comprising the same

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Paragraph 0094-0096, (2020/09/10)

The present invention relates to a 2-phenylchroman-4-one derivative or a pharmaceutically acceptable salt thereof, a method for manufacturing the same, and a therapeutic agent for MERS containing the same as an active component. A compound containing the

An Improved Procedure for Cyclisation of Chalcones to Flavanones Using Celite Supported Potassium Fluoride in Methanol: Total Synthesis of Bavachinin

Harwood, Laurence M.,Loftus, Gabriel C.,Oxford, Anona,Thomson, Colin

, p. 649 - 657 (2007/10/02)

Chalcones may be cyclised to the corresponding flavanones by stirring with KF - celite suspended in methanol at reflux.This method gives consistently higher conversion than other reported procedures and its utility is illustrated by the synthesis of the l

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