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77437-20-8

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77437-20-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77437-20-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,3 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 77437-20:
(7*7)+(6*7)+(5*4)+(4*3)+(3*7)+(2*2)+(1*0)=148
148 % 10 = 8
So 77437-20-8 is a valid CAS Registry Number.

77437-20-8Downstream Products

77437-20-8Relevant articles and documents

Synthesis of some novel quinazolone thiosemicarbazide and thiazoline derivatives for potential antimicrobial activity

Omar, A.-Mohsen M. E.,El-Dine, S. A. Shams,Ghobashy, A. A.,Khalil, M. A.

, p. 77 - 80 (2007/10/02)

Various quinazolone thiosemicarbazide and thiazoline derivatives were prepared.Significant in vitro Gram-positive antibacterial activities were observed for some members of the series.The activity of some products was as potent as that of penicillin.

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