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(4S,9R,17R,22S)-(+)-27,29-dimethoxy-3,10,13,16,23-pentaoxatetracyclo<23.3.1.04,9.017,22>nonacosa-1(29)25,27-triene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

166376-81-4

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166376-81-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 166376-81-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,3,7 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 166376-81:
(8*1)+(7*6)+(6*6)+(5*3)+(4*7)+(3*6)+(2*8)+(1*1)=164
164 % 10 = 4
So 166376-81-4 is a valid CAS Registry Number.

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