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1,1-dimethyl-1,2,2a,8b-tetrahydrocyclobutaisoquinolin-4(3H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

33289-20-2

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33289-20-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33289-20-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,2,8 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 33289-20:
(7*3)+(6*3)+(5*2)+(4*8)+(3*9)+(2*2)+(1*0)=112
112 % 10 = 2
So 33289-20-2 is a valid CAS Registry Number.

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