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3,3'-bis-(4-bromo-phenyl)-2H,2'H-[2,2']bi[benzo[1,4]oxazinyl] is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

61821-84-9

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61821-84-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 61821-84-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,8,2 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 61821-84:
(7*6)+(6*1)+(5*8)+(4*2)+(3*1)+(2*8)+(1*4)=119
119 % 10 = 9
So 61821-84-9 is a valid CAS Registry Number.
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