144658-77-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144658-77-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,6,5 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 144658-77:
(8*1)+(7*4)+(6*4)+(5*6)+(4*5)+(3*8)+(2*7)+(1*7)=155
155 % 10 = 5
So 144658-77-5 is a valid CAS Registry Number.
144658-77-5Relevant articles and documents
SUBSTITUTED 4-BENZYLFUROPYRROLES
Krutosikova, Alzbeta,Hanes, Mikulas
, p. 1487 - 1494 (2007/10/02)
Preparation of 4-benzylfuropyrroles is described and their reactions with selected dienophiles are discussed.Utilization of 4-acetylfuropyrroles for preparation of 4-substituted derivatives of furopyrrole and the synthesis of ethyl 4-
