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(1R,2R,4S,6S)-2,9,9-trimethyl-3-oxatricyclo<4.2.1.02,4>nonan-8-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

227937-45-3

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227937-45-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 227937-45-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,9,3 and 7 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 227937-45:
(8*2)+(7*2)+(6*7)+(5*9)+(4*3)+(3*7)+(2*4)+(1*5)=163
163 % 10 = 3
So 227937-45-3 is a valid CAS Registry Number.

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