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81495-50-3

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  • 1-Butanone,1,1'-[6,7,9,10,17,18,20,21-octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecin-2,13(or2,14)-diyl]bis- (9CI)

    Cas No: 81495-50-3

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81495-50-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81495-50-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,9 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81495-50:
(7*8)+(6*1)+(5*4)+(4*9)+(3*5)+(2*5)+(1*0)=143
143 % 10 = 3
So 81495-50-3 is a valid CAS Registry Number.

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