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(1R,2R,4S,5S,7S)-7-hydroxy-9,9-dimethyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-9-iumiodide (N-methylscopinium) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

21662-36-2

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21662-36-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21662-36-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,6,6 and 2 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21662-36:
(7*2)+(6*1)+(5*6)+(4*6)+(3*2)+(2*3)+(1*6)=92
92 % 10 = 2
So 21662-36-2 is a valid CAS Registry Number.

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