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2,4-dioxo-4-(2,4,6-trimethoxy-phenyl)-butyric acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

70909-44-3

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70909-44-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70909-44-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,9,0 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 70909-44:
(7*7)+(6*0)+(5*9)+(4*0)+(3*9)+(2*4)+(1*4)=133
133 % 10 = 3
So 70909-44-3 is a valid CAS Registry Number.

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