98903-55-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98903-55-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,9,0 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 98903-55:
(7*9)+(6*8)+(5*9)+(4*0)+(3*3)+(2*5)+(1*5)=180
180 % 10 = 0
So 98903-55-0 is a valid CAS Registry Number.
98903-55-0Relevant academic research and scientific papers
Askin, David,Angst, Christof,Danishefsky, Samuel
, p. 5005 - 5007 (1985)
Selective osmylation of a 3-azidoglycal in equilibrium with a 1-azidopseudoglycal is used to reach the title system.