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5-methyl-1-oxo-1,2-diphenyl-1,2-dihydro-1λ5-phosphinin-2-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

41902-17-4

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41902-17-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 41902-17-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,9,0 and 2 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 41902-17:
(7*4)+(6*1)+(5*9)+(4*0)+(3*2)+(2*1)+(1*7)=94
94 % 10 = 4
So 41902-17-4 is a valid CAS Registry Number.

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