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77919-11-0

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77919-11-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77919-11-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,1 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77919-11:
(7*7)+(6*7)+(5*9)+(4*1)+(3*9)+(2*1)+(1*1)=170
170 % 10 = 0
So 77919-11-0 is a valid CAS Registry Number.

77919-11-0Downstream Products

77919-11-0Relevant articles and documents

Synthese von 3,3-Dimethylperhydro-1,4-diazepin-2,5,7-trionen aus 3-Dimethylamino-2,2-dimethyl-2H-azirin und Malonsaeuremonoamiden

Obrecht, Daniel,Scholl, Bernhard,Heimgartner, Heinz

, p. 465 - 474 (2007/10/02)

Synthesis of 3,3-Dimethylperhydro-1,4-diazepin-2,5,7-triones from 3-Dimethylamino-2,2-dimethyl-2H-azirine and Malonic Acid Monoamides.Reaction of aminoazirine 1 and malonic acid monoamides 5 in CH3CN yielded triamides of type 6 (Scheme 2), which were transformed to the corresponding phenylthioates 9 by treatment of a solution of 6 and thiophenol in CH3CN with HCl (Scheme 4).Cyclization of 9 to give the 1,4-diazepin-2,5,7-trione of type 10 was achieved with NaH in toluene at about 90 deg.It has been shown that 2-oxazolin-5-ones are intermediates in the selective cleavage of the therminal amide function of 6 (Scheme 3).

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