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2,3-Pentadienoic acid, 5-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

80780-98-9

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80780-98-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80780-98-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,7,8 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 80780-98:
(7*8)+(6*0)+(5*7)+(4*8)+(3*0)+(2*9)+(1*8)=149
149 % 10 = 9
So 80780-98-9 is a valid CAS Registry Number.

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