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4,4,4',4'-tetramethyl-4,5,4',5'-tetrahydro-2,2'-(3,3'-dimethoxy-2,2'-butane-1,4-diyl-diphenyl)-bis-oxazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

64957-73-9

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64957-73-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64957-73-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,9,5 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 64957-73:
(7*6)+(6*4)+(5*9)+(4*5)+(3*7)+(2*7)+(1*3)=169
169 % 10 = 9
So 64957-73-9 is a valid CAS Registry Number.

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