Cas 1090557-10-0,4-(phenylsulfonyl)-3,4-dihydro-2Hbenzo[b][1,4]oxazine

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Check Digit Verification of cas no

The CAS Registry Mumber 1090557-10-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,9,0,5,5 and 7 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1090557-10:
(9*1)+(8*0)+(7*9)+(6*0)+(5*5)+(4*5)+(3*7)+(2*1)+(1*0)=140
140 % 10 = 0
So 1090557-10-0 is a valid CAS Registry Number.

1090557-10-0Upstream product

1090557-10-0Downstream Products

1361575-99-6 4-(phenylsulfonyl)-4H-benzo[b][1,4]oxazine

1090557-10-0Relevant articles and documents

Catalytic selective oxyamidation of cyclic enamides using nitrenes

Gigant, Nicolas,Dequirez, Geoffroy,Retailleau, Pascal,Gillaizeau, Isabelle,Dauban, Philippe

, p. 90 - 94 (2012)

Yes, nitrenes did "N,O"! Intermolecular addition of nitrene to enecarbamates and enesulfonamides gives oxyamidated products in excellent yields of up to 98% and with good levels of stereoselectivity. Complete regioselectivity is also observed, leading to

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1090557-10-0