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6-benzoyloxy-2-nonyl-4H-1-benzopyran-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

309721-55-9

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309721-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 309721-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,9,7,2 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 309721-55:
(8*3)+(7*0)+(6*9)+(5*7)+(4*2)+(3*1)+(2*5)+(1*5)=139
139 % 10 = 9
So 309721-55-9 is a valid CAS Registry Number.

309721-55-9Downstream Products

309721-55-9Relevant academic research and scientific papers

2-Substituted 4-(thio)chromenone 6-O-sulfamates: Potent inhibitors of human steroid sulfatase

Nussbaumer, Peter,Lehr, Philipp,Billich, Andreas

, p. 4310 - 4320 (2007/10/03)

Steroid sulfatase (STS) has emerged as a highly attractive target for the therapy of a number of disorders. Starting with the known inhibitor estrone sulfamate (1) as lead compound and with the finding that steroid sulfamates containing a nonaromatic A-ri

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