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4,7,13,16-tetrakis(hydroxymethyl)[2.2]paracyclophane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

70565-93-4

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70565-93-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70565-93-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,5,6 and 5 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 70565-93:
(7*7)+(6*0)+(5*5)+(4*6)+(3*5)+(2*9)+(1*3)=134
134 % 10 = 4
So 70565-93-4 is a valid CAS Registry Number.

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