77765-51-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77765-51-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,7,6 and 5 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77765-51:
(7*7)+(6*7)+(5*7)+(4*6)+(3*5)+(2*5)+(1*1)=176
176 % 10 = 6
So 77765-51-6 is a valid CAS Registry Number.
77765-51-6Relevant articles and documents
THE QUETTAMINES: A NEW CLASS OF ISOQUINOLINE ALKALOIDS
Zarga, Musa H. Abu,Miana, Ghulam A.,Shamma, Maurice
, p. 541 - 544 (2007/10/02)
Three quettamine type alkaloids, which incorporate either a benzofuran or a dihydrobenzofuran moiety within the molecular framework, have been obtained from Berberis baluchistanica.These are dihydrosecoquettamine (1), secoquettamine (2), and quettamine ch