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3-Hydroxymethyl-4-(3,4,5-trimethoxyphenyl)-5,6,7-trimethoxy-cis-3,4-dihydro-2-naphthoesaeure is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

17997-58-9

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17997-58-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17997-58-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,9 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 17997-58:
(7*1)+(6*7)+(5*9)+(4*9)+(3*7)+(2*5)+(1*8)=169
169 % 10 = 9
So 17997-58-9 is a valid CAS Registry Number.

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