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1,8-Dihydroxy-6-methoxy-3-(2-oxo-propyl)-naphthalene-2-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

127983-39-5

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127983-39-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127983-39-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,9,8 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 127983-39:
(8*1)+(7*2)+(6*7)+(5*9)+(4*8)+(3*3)+(2*3)+(1*9)=165
165 % 10 = 5
So 127983-39-5 is a valid CAS Registry Number.

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