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<9-Phenyl-fluorenyl-(1)>-essigsaeure is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

18554-18-2

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18554-18-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18554-18-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,5,5 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 18554-18:
(7*1)+(6*8)+(5*5)+(4*5)+(3*4)+(2*1)+(1*8)=122
122 % 10 = 2
So 18554-18-2 is a valid CAS Registry Number.

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