115446-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 115446-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,4,4 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 115446-55:
(8*1)+(7*1)+(6*5)+(5*4)+(4*4)+(3*6)+(2*5)+(1*5)=114
114 % 10 = 4
So 115446-55-4 is a valid CAS Registry Number.
115446-55-4Relevant articles and documents
NEW SYNTHESIS OF STEROIDAL TETRAHYDROOXAZIN-2-ONES
Schneider,Gyula,Hackler,Laszlo,Sohar,Pal
, p. 3987 - 3996 (1987)
In the DMSO/NaHCO3 system, 16α-aminomethyl-, 16α-benzylaminomethyl- and substituted benzylaminomethyl-3-methoxy-17β-tosyloxyestra-1,3,5(10)-triene (3, 5a-k) do not undergo oxidation, but form a tetrahydrooxazin-2-one ring (7, 8a-k) via neighboring group p