143789-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143789-77-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,7,8 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 143789-77:
(8*1)+(7*4)+(6*3)+(5*7)+(4*8)+(3*9)+(2*7)+(1*7)=169
169 % 10 = 9
So 143789-77-9 is a valid CAS Registry Number.
143789-77-9Relevant academic research and scientific papers
The synthesis of 7α-amidocarbacephems
Bodurow,Levy,Wiitala
, p. 4283 - 4286 (2007/10/02)
Study of compounds related to the first clinically-investigated 7β-amidocarbacephem, loracarbef (1), led to the preparation of key 7α-amidocarbacephem derivatives. The synthesis, characterization, and biological properties of these compounds are reported.
