91106-25-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91106-25-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,0 and 6 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 91106-25:
(7*9)+(6*1)+(5*1)+(4*0)+(3*6)+(2*2)+(1*5)=101
101 % 10 = 1
So 91106-25-1 is a valid CAS Registry Number.
InChI:InChI=1/C18H19NO4/c1-19-6-5-10-3-4-13(20)18-17(10)12(19)7-11-8-16(22-2)14(21)9-15(11)23-18/h3-4,8-9,12,20-21H,5-7H2,1-2H3/t12-/m0/s1
91106-25-1Relevant articles and documents
DEMETHYLATIONS IN THE CULARINE SERIES
Lera, Angel Rodriquez de,Villaverde, Carmen,Castedo, Luis
, p. 109 - 113 (2007/10/02)
Selective demethylation in 7,4',5'-substituted cularine compounds can be achieved under two different sets of conditions (acidic and nucleophilic).Less satisfactory results are obtained in the 7,3',4'-substituted analogs.