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8ξ-ethyl-6exo,7exo-epoxy-8ξ-methyl-DL-3-tropoyloxy-nortropanium; iodide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

17812-50-9

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17812-50-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17812-50-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,8,1 and 2 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 17812-50:
(7*1)+(6*7)+(5*8)+(4*1)+(3*2)+(2*5)+(1*0)=109
109 % 10 = 9
So 17812-50-9 is a valid CAS Registry Number.

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