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7,7-dimethyl-2,4-diphenyl-7,8-dihydro-5H-pyrano[4,3-b]pyridine 1-oxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

39745-03-4

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39745-03-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39745-03-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,7,4 and 5 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 39745-03:
(7*3)+(6*9)+(5*7)+(4*4)+(3*5)+(2*0)+(1*3)=144
144 % 10 = 4
So 39745-03-4 is a valid CAS Registry Number.
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