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1048955-49-2

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1048955-49-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1048955-49-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,8,9,5 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1048955-49:
(9*1)+(8*0)+(7*4)+(6*8)+(5*9)+(4*5)+(3*5)+(2*4)+(1*9)=182
182 % 10 = 2
So 1048955-49-2 is a valid CAS Registry Number.

1048955-49-2Downstream Products

1048955-49-2Relevant articles and documents

Synthesis of 8-substituted xanthines via 5,6-diaminouracils: an efficient route to A2A adenosine receptor antagonists

Dong, Ma,Sitkovsky, Mikhail,Kallmerten, Amy E.,Jones, Graham B.

, p. 4633 - 4635 (2008)

A one-pot route to 8-substituted xanthines has been developed from 5,6-diaminouracils and carboxaldehydes. The process, promoted by (bromodimethyl)sulfonium bromide, is mild and efficient and eliminates the need for external oxidants. Yields are good and the process is applicable to a range of substrates including a family of A2A adenosine receptor antagonists. Preparation of a new analog of the antagonist KW-6002 is presented, and in situ bromination of aryl substituted products demonstrated.

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