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2-oxo-7,7-diphenoxy-3,3,7-triphenyl-6-oxa-1-aza-7λ5-phospha-bicyclo[3.2.0]hept-4-ene-4-carbonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

70247-29-9

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70247-29-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70247-29-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,2,4 and 7 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 70247-29:
(7*7)+(6*0)+(5*2)+(4*4)+(3*7)+(2*2)+(1*9)=109
109 % 10 = 9
So 70247-29-9 is a valid CAS Registry Number.

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