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79780-50-0

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79780-50-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79780-50-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,7,8 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 79780-50:
(7*7)+(6*9)+(5*7)+(4*8)+(3*0)+(2*5)+(1*0)=180
180 % 10 = 0
So 79780-50-0 is a valid CAS Registry Number.

79780-50-0Downstream Products

79780-50-0Relevant articles and documents

The chemistry of small ring compounds. Part 45. Thermolysis and photolysis of 1-(alkylthio)cyclopropyl azides

Jorritsma, R.,Steinberg, H.,Boer, Th. J. de

, p. 307 - 312 (2007/10/02)

1-(Alkylthio)cyclopropyl azides - readily accessible from the corresponding chlorides and bromides - are smoothly decomposed at 70 deg C with nitrogen evolution.The main process is a ring enlargement to 2-(alkylthio)azetines 2, accompanied by cleavage to thiocyanate and alkene.Reaction parameters for the thioazetine formation suggest a two-step mechanism involving an intermediate cyclopropylnitrene.Ring enlargement can be averted if the alkylthio group contains a double bond.Thus, the allylthiocyclopropyl azide 8 gives a nitrene that can interact not only with the three-membered ring but also with the double bond, leading to spirocyclic products (15 and 16 in Scheme 1).The photolysis (300 nm) of these azides gives exclusively the fragmentation products thiocyanate and olefin.

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