16671-17-3 Usage
Description
Present in Conopharyngia jollyana Stapf., this alkaloid is obtained as colourless
crystals from MeOH and has [α]22D - 56° (c 0.6, CHC13). It contains two
methoxyl groups, one hydroxyl and a C-ethyl group. The ultraviolet spectrum
exhibits absorption maxima at 217,238 and 300 mμ.
References
Hootele et al., Bull. Soc. Chim. Belg., 76,300 (1967)
Check Digit Verification of cas no
The CAS Registry Mumber 16671-17-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,6,7 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 16671-17:
(7*1)+(6*6)+(5*6)+(4*7)+(3*1)+(2*1)+(1*7)=113
113 % 10 = 3
So 16671-17-3 is a valid CAS Registry Number.