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4-{5-[(E)-1-Ethyl-2-(4-hydroxy-phenyl)-but-1-enyl]-2-hydroxy-phenyl}-4-oxo-butyric acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

67566-79-4

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67566-79-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67566-79-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,5,6 and 6 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 67566-79:
(7*6)+(6*7)+(5*5)+(4*6)+(3*6)+(2*7)+(1*9)=174
174 % 10 = 4
So 67566-79-4 is a valid CAS Registry Number.

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