155191-56-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155191-56-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,1,9 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 155191-56:
(8*1)+(7*5)+(6*5)+(5*1)+(4*9)+(3*1)+(2*5)+(1*6)=133
133 % 10 = 3
So 155191-56-3 is a valid CAS Registry Number.
155191-56-3Relevant articles and documents
STUDIES ON FORSKOLIN RING C FORMING REACTIONS
Jordine, Guido,Bick, Stefan,Moeller, Uwe,Welzel, Peter,Daucher, Birgit,Maas, Gerhard
, p. 139 - 160 (2007/10/02)
Labdane derivative 27 has been prepared from (E,E)-farnesol (4).Selenium- and mercury-mediated cyclization of 24 leads to compounds with the opposite configuration at C-8 as found in forskolin.