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331258-42-5

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331258-42-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 331258-42-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,2,5 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 331258-42:
(8*3)+(7*3)+(6*1)+(5*2)+(4*5)+(3*8)+(2*4)+(1*2)=115
115 % 10 = 5
So 331258-42-5 is a valid CAS Registry Number.

331258-42-5Relevant articles and documents

Bruton's tyrosine kinase inhibitor

-

, (2017/08/29)

The invention relates to a compound with a formula I and a pharmaceutically acceptable salt, a solvent compound, an active metabolite, a polycrystalline compound, an ester, an isomer or a prodrug thereof, a pharmaceutical composition containing the compound in the formula I, and application using the same as a selective Bruton's tyrosine kinase inhibitor to prepare a medicine for preventing or treating heterologous immunity diseases and self immunity diseases or cancers. The formula is shown in the specification.

New synthesis of 7-azabicyclo[2.2.1]heptane-1-carboxylic acid

Avenoza, Alberto,Cativiela, Carlos,Busto, Jesús H,Fernández-Recio, Miguel A,Peregrina, Jesús M,Rodríguez, Fernando

, p. 545 - 548 (2007/10/03)

This report describes a new synthetic route to 7-azabicyclo[2.2.1]heptane-1-carboxylic acid (Ahc), a constrained proline analogue, in which the key step is the Diels-Alder reaction using methyl 2-benzamidoacrylate as dienophile.

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