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2-(9H-Fluoren-9-ylmethyl)-3,4-dihydro-2H-naphthalen-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

166409-67-2

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166409-67-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 166409-67-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,4,0 and 9 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 166409-67:
(8*1)+(7*6)+(6*6)+(5*4)+(4*0)+(3*9)+(2*6)+(1*7)=152
152 % 10 = 2
So 166409-67-2 is a valid CAS Registry Number.

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