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1402569-42-9

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1402569-42-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1402569-42-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,2,5,6 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1402569-42:
(9*1)+(8*4)+(7*0)+(6*2)+(5*5)+(4*6)+(3*9)+(2*4)+(1*2)=139
139 % 10 = 9
So 1402569-42-9 is a valid CAS Registry Number.

1402569-42-9Downstream Products

1402569-42-9Relevant articles and documents

?-boration of alkene and alkyne intermediates

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Paragraph 0112; 0113, (2013/10/22)

The present invention relates to the field of organic chemistry, and in particular to the preparation of β-borated compounds. These β-borated compounds can be used as intermediates in the synthesis of pharmaceutically active agents such as Sitagliptin.

?-BORATION OF ALKENE AND ALKYNE INTERMEDIATES

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Page/Page column 44-45, (2013/10/22)

The present invention relates to the field of organic chemistry, and in particular to the preparation of β-borated compounds. These β-borated compounds can be used as intermediates in the synthesis pharmaceutically active agents such as sitagliptin.

PREPARATION OF SITAGLIPTIN INTERMEDIATES

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, (2012/10/18)

The invention relates to the preparation of chiral compounds, in particular to the preparation of chiral compounds which may be used as intermediates for the preparation of anti-diabetic agents, preferably sitagliptin.

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