81946-73-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81946-73-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,9,4 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81946-73:
(7*8)+(6*1)+(5*9)+(4*4)+(3*6)+(2*7)+(1*3)=158
158 % 10 = 8
So 81946-73-8 is a valid CAS Registry Number.
81946-73-8Relevant academic research and scientific papers
A NOVEL SYNTHESIS OF THE CARBAPEN-2-EM DERIVATIVES
Hatanaka, Minoru,Yamamoto, Yu-ichi,Nitta, Hajime,Ishimaru, Toshiyasu
, p. 3883 - 3886 (2007/10/02)
A new synthesis of the carbapen-2-em ring system, the basic nucleus of thienamycin and its relatives, is described.
