144647-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144647-15-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,6,4 and 7 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 144647-15:
(8*1)+(7*4)+(6*4)+(5*6)+(4*4)+(3*7)+(2*1)+(1*5)=134
134 % 10 = 4
So 144647-15-4 is a valid CAS Registry Number.
144647-15-4Relevant articles and documents
Biomimetic Synthesis of Theonellin Isocyanide
Ichikawa, Yoshiyasu
, p. 2135 - 2140 (2007/10/02)
A marine sesquiterpene of the theonellin class has been synthesized for the first time.Direct amination of the theonelline carbon framework 2 in a biomimetic fashion, a crucial step, was achieved by employing a triflic acid-promoted Ritter-type reaction a
