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1-Benzyloxymethyl-7-methoxy-1-methyl-3,4-dihydro-1H-naphthalen-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

49817-99-4

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49817-99-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 49817-99-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,9,8,1 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 49817-99:
(7*4)+(6*9)+(5*8)+(4*1)+(3*7)+(2*9)+(1*9)=174
174 % 10 = 4
So 49817-99-4 is a valid CAS Registry Number.

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