1686-17-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1686-17-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,8 and 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1686-17:
(6*1)+(5*6)+(4*8)+(3*6)+(2*1)+(1*7)=95
95 % 10 = 5
So 1686-17-5 is a valid CAS Registry Number.
1686-17-5Relevant articles and documents
DIAZAPOLYCYCLIC COMPOUNDS XXVIII. THE REACTION OF ACETYLATED TERPENOIDS WITH DIAZAQUINONES
Contreras, Fernando Gomes,Lora-Tamayo, Manuel,Sanz, Ana M
, p. 791 - 803 (2007/10/02)
The cycloaddition reactions of diazaquinones 1-3 with 1,3-dienic systems obtained via the enol acetylation of carbonylic terpenoids are described.
