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1,1':4',1'':4'',1''':4''',1''''-Quinquephenyl, 2,2''''-dimethyl-5,5''''-bis(1-methylethyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

56739-94-7

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56739-94-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56739-94-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,7,3 and 9 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 56739-94:
(7*5)+(6*6)+(5*7)+(4*3)+(3*9)+(2*9)+(1*4)=167
167 % 10 = 7
So 56739-94-7 is a valid CAS Registry Number.

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