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6,7-dimethoxy-1-(3,4-dimethoxybenzyl)-3-(4-tolyl)-3,4-dihydroisoquinoline is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

87203-93-8

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87203-93-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87203-93-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,0 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87203-93:
(7*8)+(6*7)+(5*2)+(4*0)+(3*3)+(2*9)+(1*3)=138
138 % 10 = 8
So 87203-93-8 is a valid CAS Registry Number.

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