120625-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120625-18-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,6,2 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 120625-18:
(8*1)+(7*2)+(6*0)+(5*6)+(4*2)+(3*5)+(2*1)+(1*8)=85
85 % 10 = 5
So 120625-18-5 is a valid CAS Registry Number.
120625-18-5Relevant articles and documents
REGIOSELECTIVE SYNTHESIS OF 4-ARYLOXYMETHYL-2H-PYRANOBENZOPYRAN-5H-ONE FROM 1-ARYLOXY-4-BUT-2-YNE
Majumdar, K.C.,Das, D.P.,Khan, A.T.
, p. 2027 - 2036 (2007/10/02)
1-Aryloxy-4-(4'-coumarinyloxy)but-2-yne (1) on refluxing in chlorobenzene gave 4-aryloxymethyl-2H-pyranobenzopyran-5H-one as the single product in almost quantitave yield.All the eight butynes studied underwent sigmatropic rearrangement at t
