227750-26-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 227750-26-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,7,7,5 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 227750-26:
(8*2)+(7*2)+(6*7)+(5*7)+(4*5)+(3*0)+(2*2)+(1*6)=137
137 % 10 = 7
So 227750-26-7 is a valid CAS Registry Number.
227750-26-7Relevant academic research and scientific papers
Ishiyama, Haruaki,Takemura, Takahiro,Tsuda, Masashi,Kobayashi, Jun'ichi
, p. 4583 - 4594 (1999)
The C-1 ~ C-13 segment (2) of amphidinolide B (1), a potent cytotoxic 26-membered macrolide, has been synthesized.