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N-tert-butoxycarbonyl-1-cyano-8-ethynyl-5,6,7-trimethoxy-1,2-dihydroisoquinoline is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

338730-17-9

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338730-17-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 338730-17-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,8,7,3 and 0 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 338730-17:
(8*3)+(7*3)+(6*8)+(5*7)+(4*3)+(3*0)+(2*1)+(1*7)=149
149 % 10 = 9
So 338730-17-9 is a valid CAS Registry Number.

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