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7-(4-chloro-phenyl)-6-ethyl-pyrido[2,3-d]pyrimidine-2,4-diamine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20739-07-5

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20739-07-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20739-07-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,7,3 and 9 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 20739-07:
(7*2)+(6*0)+(5*7)+(4*3)+(3*9)+(2*0)+(1*7)=95
95 % 10 = 5
So 20739-07-5 is a valid CAS Registry Number.

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20739-07-5Relevant academic research and scientific papers

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