89553-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89553-81-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,5,5 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 89553-81:
(7*8)+(6*9)+(5*5)+(4*5)+(3*3)+(2*8)+(1*1)=181
181 % 10 = 1
So 89553-81-1 is a valid CAS Registry Number.
89553-81-1Relevant academic research and scientific papers
Tsubotani, Shigetoshi,Wada, Yoshikazu,Kamiya, Kazuhide,Okazaki, Hisayoshi,Harada, Setsuo
, p. 419 - 422 (1984)
The structure of a new antibiotic thiotropocin is described.