444885-12-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 444885-12-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,4,8,8 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 444885-12:
(8*4)+(7*4)+(6*4)+(5*8)+(4*8)+(3*5)+(2*1)+(1*2)=175
175 % 10 = 5
So 444885-12-5 is a valid CAS Registry Number.
444885-12-5Relevant articles and documents
Stereoselective synthesis of syn-2,7-disubstituted-4,5-oxepenes
Díaz, David D,Betancort, Juan M,Crisóstomo, Fernando R.P,Martín, Tomás,Martín, Víctor S
, p. 1913 - 1919 (2002)
An efficient synthesis of the title compounds as pure enantiomers is reported. The method is based on the intramolecular trapping of a carbocation generated by acid treatment of exo-Co2(CO)6-propargyl alcohols by a stereochemically c
