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ethyl 9,10-difluoro-3-methylene-7-oxo-2,3-dihydro-7H-pyrido<1,2,3-de><1,4>benzeneoxazine-6-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

90180-70-4

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90180-70-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90180-70-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,8 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90180-70:
(7*9)+(6*0)+(5*1)+(4*8)+(3*0)+(2*7)+(1*0)=114
114 % 10 = 4
So 90180-70-4 is a valid CAS Registry Number.

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