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1229018-85-2

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1229018-85-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1229018-85-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,9,0,1 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1229018-85:
(9*1)+(8*2)+(7*2)+(6*9)+(5*0)+(4*1)+(3*8)+(2*8)+(1*5)=142
142 % 10 = 2
So 1229018-85-2 is a valid CAS Registry Number.

1229018-85-2Relevant articles and documents

Facile and Cost-Effective Route for the Synthesis of Simmerafil

Hu, Tianwen,Jiang, Xiangrui,Liu, Yin,Odilov, Abdullajon,Shen, Jingshan,Suo, Jin,Tian, Guanghui,Yang, Feipu

, p. 2432 - 2437 (2021/11/13)

An improved synthesis of simmerafil, a potent PDE5 inhibitor as a clinical candidate, is described with a 38.1% overall yield and 99.7% purity. Starting from the safe and inexpensive salicylamide (15), the key intermediate 2-propoxybenzimidamide (21), which is also a potential precursor for the preparation of pyrimidinone derivatives, was effectively and conveniently obtained. The subsequent process from21to simmerafil was optimized, which makes it more amenable to scale-up.

PHENYL PYRIMIDONE COMPOUNDS, PHARMACEUTICAL COMPOSITIONS, PREPARATION METHODS AND USES THEREOF

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Page/Page column 77, (2011/11/12)

The present invention relates to a class of phenylpyrimidone compounds, the pharmaceutical composition, the preparation method and the use thereof. More specifically, the present invention relates to a type of phenylpyrimidone compounds of the following f

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