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Aethyl(4-O-nitrophenyl-2-methyl-3-butyn-2-yl)acetal (IIIa) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

33507-75-4

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33507-75-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33507-75-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,5,0 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 33507-75:
(7*3)+(6*3)+(5*5)+(4*0)+(3*7)+(2*7)+(1*5)=104
104 % 10 = 4
So 33507-75-4 is a valid CAS Registry Number.

33507-75-4Relevant academic research and scientific papers

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