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79225-75-5

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79225-75-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79225-75-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,2,2 and 5 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 79225-75:
(7*7)+(6*9)+(5*2)+(4*2)+(3*5)+(2*7)+(1*5)=155
155 % 10 = 5
So 79225-75-5 is a valid CAS Registry Number.

79225-75-5Relevant articles and documents

Synthesis of 6-Aroylimino-2-aryl-1,3,4-thiadiazolothiadiazolines

Sridevi, G.,Rao, P. Jayaprasad,Reddy, K. Kondal

, p. 997 - 1000 (2007/10/02)

Reaction of 2-amino-5-aryl-1,3,4-thiadiazoles (V) with aroyl isothiocyanates gives 2-aroylamino-5-aryl-1,3,4-thiadiazoles (VII) and N-aroyl-N'-(5-aryl-1,3,4-thiadiazol-2-yl)thioureas (VIII).Contrary to earlier reports, cyclisation of VIII in the presence of PCl5 in POCl3 yields 6-aroylimino-2-aryl-1,3,4-thiadiazolo-thiadiazolines (X).Cyclisation of VIII in the presence of other oxidising agents also leads to X.

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