89047-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89047-15-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,0,4 and 7 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 89047-15:
(7*8)+(6*9)+(5*0)+(4*4)+(3*7)+(2*1)+(1*5)=154
154 % 10 = 4
So 89047-15-4 is a valid CAS Registry Number.
89047-15-4Relevant articles and documents
BENZO-γ-PYRONES. PART X. REACTIONS OF DERIVATIVES OF BENZO-γ-PYRONE WITH HYDROXYLAMINE
Maib, Piotr,Jerzmanowska, Zofia
, p. 501 - 509 (2007/10/02)
The reaction of C-3 (CH3, COOH) and also C-2 and C-3 (CH3) substituted chromone derivatives with hydroxylamine is described.The structures of reaction products (2, 3, 4, 6, 7, 9, 11) were established and some formerly attributed, corrected (9, 10, 11).