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2,6-Di-tert-butyl-4-(2,4,6-trinitro-phenylazo)-phenol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

42771-55-1

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42771-55-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42771-55-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,7,7 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 42771-55:
(7*4)+(6*2)+(5*7)+(4*7)+(3*1)+(2*5)+(1*5)=121
121 % 10 = 1
So 42771-55-1 is a valid CAS Registry Number.

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