77513-53-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77513-53-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,5,1 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 77513-53:
(7*7)+(6*7)+(5*5)+(4*1)+(3*3)+(2*5)+(1*3)=142
142 % 10 = 2
So 77513-53-2 is a valid CAS Registry Number.
77513-53-2Relevant articles and documents
Synthesis of (+/-)-Norruspoline
Herbert, Richard B.,Wormald, Peter C.
, p. 3001 - 3010 (2007/10/02)
Three interesting pyrrolidine alkaloids, ruspolinone (1), norruspolinone (2) and norruspoline (7), have been isolated from Ruspolia hyperecratiformis M.R. (Acanthaceae).Norruspolinone (2) has been shown to be an early precursor in the biosynthesis of the
