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Phenazine, 5,10-dihydro-2,7-dimethoxy-5,10-bis(4-methoxyphenyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

31438-43-4

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31438-43-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31438-43-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,4,3 and 8 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 31438-43:
(7*3)+(6*1)+(5*4)+(4*3)+(3*8)+(2*4)+(1*3)=94
94 % 10 = 4
So 31438-43-4 is a valid CAS Registry Number.

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