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methyl 4,5,5,5-tetrafluoro-3-methoxy-2-<<1,2,2,2-tetrafluoro-1-(trifluoromethyl)ethyl>thio>-4-(trifluoromethyl)-2-pentenoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75781-89-4

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75781-89-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75781-89-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,7,8 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 75781-89:
(7*7)+(6*5)+(5*7)+(4*8)+(3*1)+(2*8)+(1*9)=174
174 % 10 = 4
So 75781-89-4 is a valid CAS Registry Number.

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