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19503-66-3

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19503-66-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19503-66-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,5,0 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 19503-66:
(7*1)+(6*9)+(5*5)+(4*0)+(3*3)+(2*6)+(1*6)=113
113 % 10 = 3
So 19503-66-3 is a valid CAS Registry Number.

19503-66-3Relevant articles and documents

Synthesis of 2,5-disubstituted benzimidazoles, 1,3,4-thiadiazoles and 3,5-diiodosalicylanilides as structural congeners of rafoxanide and closantel

Srivastava,Sharma

, p. 34 - 37 (2007/10/02)

The synthesis of a series of 2,5-disubstituted benzimidazoles (8-10, 13), substituted 3,5-diiodosalicylanilides (6, 7, 11, 12, 16-29), 2-(4-substituted phenyl)-4-aroylamino-1,3,4-thiadiazoles (33-38) and benzoxazines (14, 30, 31) has been carried out as t

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