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1158955-25-9

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1158955-25-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1158955-25-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,8,9,5 and 5 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1158955-25:
(9*1)+(8*1)+(7*5)+(6*8)+(5*9)+(4*5)+(3*5)+(2*2)+(1*5)=189
189 % 10 = 9
So 1158955-25-9 is a valid CAS Registry Number.

1158955-25-9Downstream Products

1158955-25-9Relevant articles and documents

An efficient access to 3,6-disubstituted 1H-pyrazolo[3,4-b]pyridines via a one-pot double SNAr reaction and pyrazole formation

Zhong, Yong-Li,Lindale, Matthew G.,Yasuda, Nobuyoshi

experimental part, p. 2293 - 2297 (2009/08/17)

A general and efficient synthetic method for the synthesis of biologically important series of 3,6-disubstituted-1H-pyrazolo[3,4-b]pyridines was discovered. 2,6-Difluoropyridine was deprotonated using 1.1 equiv of n-BuLi in THF at -60 °C, followed by que

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