73527-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73527-20-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,5,2 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 73527-20:
(7*7)+(6*3)+(5*5)+(4*2)+(3*7)+(2*2)+(1*0)=125
125 % 10 = 5
So 73527-20-5 is a valid CAS Registry Number.
73527-20-5Relevant articles and documents
SYNTHESES D'INTERMEDIAIRES PRESENTANT LE MOTIF STRUCTURAL DU TRIMETHYL-1,3,3 OXA-7 BICYCLOHEPTANE
Aziz, Mostafa,Rouessac, Francis
, p. 555 - 560 (2007/10/02)
Starting from geraniol, both exo- or endo-2-alkyl-1,3,3-trimethyl-7-oxa bicycloheptane could be prepared through two short sequences.The key step to obtain the 7-oxanorbornane moiety involves either the elimination of a selenenyl intermediate or an
