198541-55-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 198541-55-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,5,4 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 198541-55:
(8*1)+(7*9)+(6*8)+(5*5)+(4*4)+(3*1)+(2*5)+(1*5)=178
178 % 10 = 8
So 198541-55-8 is a valid CAS Registry Number.
198541-55-8Relevant articles and documents
Stereoselective total synthesis of mucocin, an antitumor agent
Takahashi, Shunya,Kubota, Akemi,Nakata, Tadashi
, p. 4751 - 4754 (2007/10/03)
The THP and THF rings which are regarded as the characteristic structural features of mucocin (1) were constructed by a SmI2-induced reductive cyclization of β-alkoxy acrylate and oxidative cyclization of a homoallyl alcohol, respectively. The