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ETHYL 5-[(4-NITROBENZOYL)AMINO]-3-(2-[(4-NITROBENZOYL)OXY]ETHOXY)-4-ISOXAZOLECARBOXYLATE is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

303997-09-3

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303997-09-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 303997-09-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,3,9,9 and 7 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 303997-09:
(8*3)+(7*0)+(6*3)+(5*9)+(4*9)+(3*7)+(2*0)+(1*9)=153
153 % 10 = 3
So 303997-09-3 is a valid CAS Registry Number.

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