133593-78-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133593-78-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,5,9 and 3 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 133593-78:
(8*1)+(7*3)+(6*3)+(5*5)+(4*9)+(3*3)+(2*7)+(1*8)=139
139 % 10 = 9
So 133593-78-9 is a valid CAS Registry Number.
133593-78-9Relevant academic research and scientific papers
Synthesis of Larreantin, a Cytotoxic Napththoquinoid Sesquilignan from Larrea tridentata
Comber, Mark F.,Sargent, Melvyn V.
, p. 2783 - 2787 (2007/10/02)
Larreantin 1, a biogenetically unique cytotoxic naphthoquinoid sesquilignan has been synthesized by a convergent route.The key intermediate was 4,5-dihy
