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4-(1,1-Dimethylethyl)phenol, formaldehyde, 4,4'-(1-methylethylidene)bis[phenol], 1,3-benzenediol polymer is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

65733-77-9

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65733-77-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65733-77-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,7,3 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 65733-77:
(7*6)+(6*5)+(5*7)+(4*3)+(3*3)+(2*7)+(1*7)=149
149 % 10 = 9
So 65733-77-9 is a valid CAS Registry Number.

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