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[4-(2-methoxy-5-methyl-phenyl)-7-methyl-2-oxo-chroman-4-yl]-acetic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

109979-78-4

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109979-78-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109979-78-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,7 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 109979-78:
(8*1)+(7*0)+(6*9)+(5*9)+(4*7)+(3*9)+(2*7)+(1*8)=184
184 % 10 = 4
So 109979-78-4 is a valid CAS Registry Number.

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