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98258-76-5

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98258-76-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98258-76-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,2,5 and 8 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 98258-76:
(7*9)+(6*8)+(5*2)+(4*5)+(3*8)+(2*7)+(1*6)=185
185 % 10 = 5
So 98258-76-5 is a valid CAS Registry Number.

98258-76-5Downstream Products

98258-76-5Relevant articles and documents

Improved Synthesis of 6-Hydroxy-5-methoxy- and 5-Hydroxy-6-methoxyindoles and Their O-Acetates, Analogs of Natural Eumelanin Precursors.

Rogers, C. Bradford,Blum, Charles A.,Murphy, Bryan P.

, p. 941 - 943 (2007/10/02)

Improved routes for syntheses of gram quantities of the isomeric 5,6-acetoxymethoxyindoles, and milligram amounts of the 5,6-hydroxymethoxyindoles, have been developed.They depend on regiospecific nitration of the benzyl ethers of vanillin and isovanillin

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