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(6-oxo-1,3-diphenyl-1,6-dihydro-pyrano[2,3-c]pyrazol-4-yl)-acetic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

30020-88-3

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30020-88-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 30020-88-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,0,2 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 30020-88:
(7*3)+(6*0)+(5*0)+(4*2)+(3*0)+(2*8)+(1*8)=53
53 % 10 = 3
So 30020-88-3 is a valid CAS Registry Number.

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