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4,5-dimethyl-2-phenyl-7-(3,4,5-trimethoxy-phenyl)-2,3-dihydro-1H-[1,2]azaphosphepine 2-oxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

50678-57-4

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50678-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50678-57-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,6,7 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 50678-57:
(7*5)+(6*0)+(5*6)+(4*7)+(3*8)+(2*5)+(1*7)=134
134 % 10 = 4
So 50678-57-4 is a valid CAS Registry Number.

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