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470483-92-2

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470483-92-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 470483-92-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,0,4,8 and 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 470483-92:
(8*4)+(7*7)+(6*0)+(5*4)+(4*8)+(3*3)+(2*9)+(1*2)=162
162 % 10 = 2
So 470483-92-2 is a valid CAS Registry Number.

470483-92-2Relevant articles and documents

Process for producing 2,6-dihalogenopurine

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, (2008/06/13)

A process for conveniently and efficiently preparing a 2,6-halogenopurine using an inexpensive starting material. A process for preparing a 2,6-dihalogenopurine, comprising treating a 2-amino-6-halogenopurine having a protective group at 7th position or 9th position with a diazotizating agent and a halogen source; and a process for preparing a 9-acyl-2-amino-6-halogenopurine, comprising treating a 2-amino-6-halogenopurine with an acylating agent in the presence of a base.

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