90155-95-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90155-95-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,5 and 5 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 90155-95:
(7*9)+(6*0)+(5*1)+(4*5)+(3*5)+(2*9)+(1*5)=126
126 % 10 = 6
So 90155-95-6 is a valid CAS Registry Number.
90155-95-6Relevant articles and documents
OPENING OF THE OXACYCLOPENTANE RING IN 1,2,3,4,7-PENTACHLORO-9-OXATRICYCLO5,7>NON-2-ENE
Ismailov, S. A.
, p. 1899 - 1901 (2007/10/02)
The oxacyclopentane ring in 1,2,3,4,7-pentachloro-9-oxatricyclo5,7>non-2-ene is not opened by acids but is readily opened in an alkaline medium.The reaction mechanism is discussed.
