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2-Isopropyl-9-mesityl-9-fluorenol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

54527-56-9

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54527-56-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54527-56-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,5,2 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 54527-56:
(7*5)+(6*4)+(5*5)+(4*2)+(3*7)+(2*5)+(1*6)=129
129 % 10 = 9
So 54527-56-9 is a valid CAS Registry Number.
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