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3β-methoxy-19-tosyloxy-5-cholestene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

70240-77-6

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70240-77-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70240-77-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,2,4 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 70240-77:
(7*7)+(6*0)+(5*2)+(4*4)+(3*0)+(2*7)+(1*7)=96
96 % 10 = 6
So 70240-77-6 is a valid CAS Registry Number.

70240-77-6Relevant academic research and scientific papers

3-Ethyl and 3-methyl ethers of 19-iodocholesterol as potential adrenal scanning agents.

Owoyale,Szinai

, p. 133 - 141 (2007/10/02)

19-Iodocholesterol-131I, though useful as an adrenal scanning agent, was found to be unstable. However, the substitution of methoxyl and ethoxyl groups for the hydroxyl group in the 3 position rendered these derivatives much more stable in solid form than the parent compound. They showed concentration in the adrenals of dogs similar to that of 19-iodocholesterol itself and therefore may be useful as adrenal scanning agents.

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