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4-[2,5-Diethoxy-4-(7-methoxy-3-oxo-1,3-dihydro-isobenzofuran-1-yl)-phenyl]-3,3-bis-ethoxycarbonyl-butyric acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75461-44-8

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75461-44-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75461-44-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,4,6 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 75461-44:
(7*7)+(6*5)+(5*4)+(4*6)+(3*1)+(2*4)+(1*4)=138
138 % 10 = 8
So 75461-44-8 is a valid CAS Registry Number.

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