140885-79-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 140885-79-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,8,8 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 140885-79:
(8*1)+(7*4)+(6*0)+(5*8)+(4*8)+(3*5)+(2*7)+(1*9)=146
146 % 10 = 6
So 140885-79-6 is a valid CAS Registry Number.
140885-79-6Relevant articles and documents
BENZO-γ-PYRONES, PART XIV. REACTION OF C-SUBSTITUTED 2-PHENYL-4H-1-BENZOPYRAN-4-ONES WITH HYDROXYLAMINE
Basinski, Wlodzimierz
, p. 1619 - 1632 (2007/10/02)
The reaction of C-6,7,8 (CH3, Br) and C-4' (OCH3) substituted flavones 1a-1f with hydroxylamine in anhydrous pyridine has been investigated.The oximes 2a-2f and isoxazoles 3a-3f were obtained.It has been established that the ratio of oxime to isoxazole de
