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methyl (10-methoxy-4H-benzo<4,5>cyclohepta<1,2-b>thiophen-4-ylidene)acetate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

98320-27-5

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98320-27-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98320-27-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,3,2 and 0 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 98320-27:
(7*9)+(6*8)+(5*3)+(4*2)+(3*0)+(2*2)+(1*7)=145
145 % 10 = 5
So 98320-27-5 is a valid CAS Registry Number.

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