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(S)-(+)-2-chloro-1-(7-ethylbenzofuran-2-yl)ethanol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

537693-72-4

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537693-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 537693-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,3,7,6,9 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 537693-72:
(8*5)+(7*3)+(6*7)+(5*6)+(4*9)+(3*3)+(2*7)+(1*2)=194
194 % 10 = 4
So 537693-72-4 is a valid CAS Registry Number.

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