70681-69-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70681-69-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,6,8 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 70681-69:
(7*7)+(6*0)+(5*6)+(4*8)+(3*1)+(2*6)+(1*9)=135
135 % 10 = 5
So 70681-69-5 is a valid CAS Registry Number.
70681-69-5Relevant academic research and scientific papers
Hohlbrugger,Klotzer
, p. 849 - 852 (1979)
The phthalide isoquinoline alkaloid (-)-bicuculline, which had previously been prepared by total synthesis, is transformed into racemic papaverrubine E (±), its natural (+)- and its unnatural (-)-enantiomer.
