89682-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89682-69-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,6,8 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 89682-69:
(7*8)+(6*9)+(5*6)+(4*8)+(3*2)+(2*6)+(1*9)=199
199 % 10 = 9
So 89682-69-9 is a valid CAS Registry Number.
89682-69-9Relevant articles and documents
SYNTHESIS OF +/- 8- and 9-HETES
Adams, Julian,Rokach, Joshua
, p. 35 - 38 (2007/10/02)
We describe the first total syntheses of +/-8 and +/-9 HETEs using the addition of diazoketones to furan followed by electrocyclic ring opening to provide the necessary cis-trans diene system.