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2-((2S,5R,6S)-5-acetoxy-6-methyltetrahydro-2-pyranyl)-7-fluoro-1,5,8-trimethoxynaphthalene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

903903-97-9

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903903-97-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 903903-97-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,3,9,0 and 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 903903-97:
(8*9)+(7*0)+(6*3)+(5*9)+(4*0)+(3*3)+(2*9)+(1*7)=169
169 % 10 = 9
So 903903-97-9 is a valid CAS Registry Number.

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