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4-(o-bromothiophenoxy)-3,5-dichloro-2,6-difluoropyridine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75723-90-9

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75723-90-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75723-90-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,7,2 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 75723-90:
(7*7)+(6*5)+(5*7)+(4*2)+(3*3)+(2*9)+(1*0)=149
149 % 10 = 9
So 75723-90-9 is a valid CAS Registry Number.

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