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2-(3,4-dihydroxy-benzylidene)-4-hydroxy-6-methoxy-benzofuran-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

59219-75-9

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59219-75-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 59219-75-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,2,1 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 59219-75:
(7*5)+(6*9)+(5*2)+(4*1)+(3*9)+(2*7)+(1*5)=149
149 % 10 = 9
So 59219-75-9 is a valid CAS Registry Number.

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