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6,6-dimethoxy-5-(3-methoxy-phenyl)-4-oxa-1-aza-bicyclo[3.2.0]heptan-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

57764-73-5

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57764-73-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57764-73-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,6 and 4 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 57764-73:
(7*5)+(6*7)+(5*7)+(4*6)+(3*4)+(2*7)+(1*3)=165
165 % 10 = 5
So 57764-73-5 is a valid CAS Registry Number.

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