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1,5-Dioxaspiro[5.5]undeca-7,10-dien-9-one, 7-bromo-8-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

917113-26-9

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917113-26-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 917113-26-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,7,1,1 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 917113-26:
(8*9)+(7*1)+(6*7)+(5*1)+(4*1)+(3*3)+(2*2)+(1*6)=149
149 % 10 = 9
So 917113-26-9 is a valid CAS Registry Number.

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