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2-(3-ethyl-3H-benzoselenazol-2-ylidene)-1-(3-nitro-phenyl)-ethanone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

52378-97-9

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52378-97-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52378-97-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,3,7 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 52378-97:
(7*5)+(6*2)+(5*3)+(4*7)+(3*8)+(2*9)+(1*7)=139
139 % 10 = 9
So 52378-97-9 is a valid CAS Registry Number.

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