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16781-33-2

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16781-33-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16781-33-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,7,8 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 16781-33:
(7*1)+(6*6)+(5*7)+(4*8)+(3*1)+(2*3)+(1*3)=122
122 % 10 = 2
So 16781-33-2 is a valid CAS Registry Number.

16781-33-2Relevant articles and documents

Synthesis of novel imidazo[1,2-a][3,1]benzothiazines 4, imidazo[1,2-a][1,2,4]benzotriazines 5, and 4H-imidazo[2,3-c]pyrido[2,3-e][1,4]oxazines 6

Gauthier,Duceppe

, p. 1081 - 1086 (2007/10/02)

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