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74457-62-8

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74457-62-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74457-62-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,5 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 74457-62:
(7*7)+(6*4)+(5*4)+(4*5)+(3*7)+(2*6)+(1*2)=148
148 % 10 = 8
So 74457-62-8 is a valid CAS Registry Number.

74457-62-8Relevant articles and documents

Efficient synthesis of 2-aminothiazole-4-phenyl-5-acetamides via the open chain tautomers of γ-keto amides

Tsolomiti, Georgia,Tsolomitis, Athanase

, p. 501 - 507 (2007/10/03)

A simple and efficient method is described for the synthesis of new functionalized 2-aminothiazoles, the 2-aminothiazole-4-phenyl-5-acetamides 5, in 67-96% yields based on an application of the Hantzsch synthesis. The method involves the reaction of thiou

AN ALTERNATIVE ROUTE TO 4-BENZOYL-2-AZETIDINONES

Abdulla, Riaz F.,Williams, James C.

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

Cyclodehydrohalogenation by terminal N1-C4 bond formation affords N-aryl-4-benzoyl-2-azetidinones from 3-benzoyl-3-bromopropionanilides in an unequivocal annelation process.

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