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2-[2-(2-Nitro-phenyl)-2-oxo-ethyl]-3-oxo-butyric acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

70401-34-2

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70401-34-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70401-34-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,4,0 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 70401-34:
(7*7)+(6*0)+(5*4)+(4*0)+(3*1)+(2*3)+(1*4)=82
82 % 10 = 2
So 70401-34-2 is a valid CAS Registry Number.

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