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77596-21-5

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77596-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77596-21-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,5,9 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77596-21:
(7*7)+(6*7)+(5*5)+(4*9)+(3*6)+(2*2)+(1*1)=175
175 % 10 = 5
So 77596-21-5 is a valid CAS Registry Number.

77596-21-5Relevant articles and documents

Imidoylketene Imines, V. Preparation through Extrusion of Sulfur, Rearrangement to 1,2-Dihydropyrimidines

Goerdeler, Joachim,Lindner, Christian,Zander, Frank

, p. 536 - 548 (2007/10/02)

Via imidoylthioamides 1 and iminoisothiazolines 2 a series of imidoylketene imines 3 was prepared; their ability to rearrange was examined.Most of them form 1,2-dihydropyrimidines 4 at ambient temperature through a 1,5-H shift.Of the exceptions the format

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