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4,6-Bis(N,N-diethylcarbamoyl)-9,11-dimethyl-8-nitro-2-phenyl-5H-oxazolo<4,5-b>phenoxazine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74273-67-9

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74273-67-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74273-67-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,7 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 74273-67:
(7*7)+(6*4)+(5*2)+(4*7)+(3*3)+(2*6)+(1*7)=139
139 % 10 = 9
So 74273-67-9 is a valid CAS Registry Number.

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