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

106939-33-7

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106939-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 106939-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,9,3 and 9 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 106939-33:
(8*1)+(7*0)+(6*6)+(5*9)+(4*3)+(3*9)+(2*3)+(1*3)=137
137 % 10 = 7
So 106939-33-7 is a valid CAS Registry Number.

106939-33-7Upstream product

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