93022-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93022-18-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,0,2 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 93022-18:
(7*9)+(6*3)+(5*0)+(4*2)+(3*2)+(2*1)+(1*8)=105
105 % 10 = 5
So 93022-18-5 is a valid CAS Registry Number.
93022-18-5Relevant articles and documents
Preparation and reactions of 4-oxaspiro [2.3] hexanes
Bekolo,Howell
, p. 673 - 675 (2001)
2-Methyleneoxetanes were converted in excellent yields to 4-oxaspiro [2.3] hexanes under modified Simmons-Smith conditions. Treatment of the oxaspirohexanes with BF Et O provided cyclopentanones, cyclobutanones or 4-methylene-tetrahydrofurans, depending o
