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(2E,6E)-3,7-Dimethyl-9-((R)-2,2,5,5-tetramethyl-[1,3]dioxolan-4-yl)-nona-2,6-dienoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

220155-51-1

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220155-51-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220155-51-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,1,5 and 5 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 220155-51:
(8*2)+(7*2)+(6*0)+(5*1)+(4*5)+(3*5)+(2*5)+(1*1)=81
81 % 10 = 1
So 220155-51-1 is a valid CAS Registry Number.

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