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[(1-3-η):(1-3-η)-4,4'-bis[bis(4-methylphenyl)methylidene]-5,5'-dihydrofulvalene]hexakis(trimethylphosphino)dicobalt(I) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

165681-49-2

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165681-49-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 165681-49-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,5,6,8 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 165681-49:
(8*1)+(7*6)+(6*5)+(5*6)+(4*8)+(3*1)+(2*4)+(1*9)=162
162 % 10 = 2
So 165681-49-2 is a valid CAS Registry Number.

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