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5-ethoxy-hex-4-en-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

33765-21-8

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33765-21-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33765-21-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,7,6 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 33765-21:
(7*3)+(6*3)+(5*7)+(4*6)+(3*5)+(2*2)+(1*1)=118
118 % 10 = 8
So 33765-21-8 is a valid CAS Registry Number.

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