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4-bromo-5-methoxy-2-nitro-phenol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

633357-97-8

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633357-97-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 633357-97-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,3,3,5 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 633357-97:
(8*6)+(7*3)+(6*3)+(5*3)+(4*5)+(3*7)+(2*9)+(1*7)=168
168 % 10 = 8
So 633357-97-8 is a valid CAS Registry Number.
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