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1603897-51-3

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1603897-51-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1603897-51-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,3,8,9 and 7 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1603897-51:
(9*1)+(8*6)+(7*0)+(6*3)+(5*8)+(4*9)+(3*7)+(2*5)+(1*1)=183
183 % 10 = 3
So 1603897-51-3 is a valid CAS Registry Number.

1603897-51-3Downstream Products

1603897-51-3Relevant articles and documents

Ferrocenesulfonic and piperidine ketone compound and its preparation method

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Paragraph 0028-0031, (2016/12/01)

The invention provides ferrocene piperidones compounds. The chemical structural formula of the ferrocene piperidones compound is shown in the formula (I) in the specification; in the formula (I), R1 and R2 are aliphatic substituent groups, aromatic substituent groups, aliphatic substituent groups containing oxygen or halogen heteroatom carbon or aromatic substituent groups; R1 and R2 can be the same or not; R3 is an aliphatic substituent group, an aromatic substituent group, an ester group, a methoxy group and a benzene ring substituent group substituted by various halogens. According to the preparation method, catalytic cyclization is carried out on ferrocene formamide and alkyne under the condition of palladium acetate to form corresponding ferrocene piperidones compounds. The ferrocene piperidones compounds are used for preparing medicines. The preparation method of the ferrocene piperidones compounds is simple in process; raw materials are cheap and easy to obtain; the yield is high; the protection of inert gas is not needed; the reaction temperature is moderate; and various ferrocene piperidones compounds can be prepared to expand the application in the aspect of medicines.

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