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1313731-46-2

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1313731-46-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1313731-46-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,3,7,3 and 1 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1313731-46:
(9*1)+(8*3)+(7*1)+(6*3)+(5*7)+(4*3)+(3*1)+(2*4)+(1*6)=122
122 % 10 = 2
So 1313731-46-2 is a valid CAS Registry Number.

1313731-46-2Relevant articles and documents

Novel and efficient method for the synthesis of racemic fexofenadine

Raghavendra,Harsha,Vinaya,Mantelingu,Rangappa

, p. 2296 - 2303 (2011)

Fexofenadine is a selective H1-histamine receptor antagonist, which is an attractive alternative treatment for allergy symptoms. An efficient and environmentally friendly synthetic approach for the preparation of fexofenadine was developed from commercially available cumene. The method involves the Friedel-Craft's reaction, substitution, reduction, bromination, and the Grignard reaction. Copyright

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