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8,9-diphenyl-2,5-dioxa-7,10-diaza-1,6-di-(1,2)benzena-cyclodecaphane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

121973-04-4

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121973-04-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121973-04-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,9,7 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 121973-04:
(8*1)+(7*2)+(6*1)+(5*9)+(4*7)+(3*3)+(2*0)+(1*4)=114
114 % 10 = 4
So 121973-04-4 is a valid CAS Registry Number.

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