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1,8,15,22-Tetraphenyl-3,5,10,12,17,19,24,26-octa-acetoxy-(1-m-1-m-1-m-1-m)-cyclophan is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

19724-11-9

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19724-11-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19724-11-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,7,2 and 4 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 19724-11:
(7*1)+(6*9)+(5*7)+(4*2)+(3*4)+(2*1)+(1*1)=119
119 % 10 = 9
So 19724-11-9 is a valid CAS Registry Number.

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