78377-66-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78377-66-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,3,7 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 78377-66:
(7*7)+(6*8)+(5*3)+(4*7)+(3*7)+(2*6)+(1*6)=179
179 % 10 = 9
So 78377-66-9 is a valid CAS Registry Number.
78377-66-9Relevant academic research and scientific papers
A synthesis of the aromatic segment of rifamycin S
Nagaoka,Schmid,Iio,Kishi
, p. 899 - 902 (2007/10/02)
The aromatic segment 15 of rifamycin S (1) was synthesized from the cyclohexadienone 2 or ii in high overall yield.