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(E)-5,5-Bis-benzenesulfonyl-8-methyl-9-(tetrahydro-pyran-2-yloxy)-non-7-en-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

197917-43-4

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197917-43-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 197917-43-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,9,1 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 197917-43:
(8*1)+(7*9)+(6*7)+(5*9)+(4*1)+(3*7)+(2*4)+(1*3)=194
194 % 10 = 4
So 197917-43-4 is a valid CAS Registry Number.

197917-43-4Relevant academic research and scientific papers

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