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Pyridine, 4-[(4-methoxyphenyl)ethynyl]-, 1-oxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138517-21-2

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138517-21-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138517-21-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,5,1 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 138517-21:
(8*1)+(7*3)+(6*8)+(5*5)+(4*1)+(3*7)+(2*2)+(1*1)=132
132 % 10 = 2
So 138517-21-2 is a valid CAS Registry Number.

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138517-21-2Relevant academic research and scientific papers

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