208330-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 208330-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,3,3 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 208330-40:
(8*2)+(7*0)+(6*8)+(5*3)+(4*3)+(3*0)+(2*4)+(1*0)=99
99 % 10 = 9
So 208330-40-9 is a valid CAS Registry Number.
208330-40-9Relevant academic research and scientific papers
El Nemr, Ahmed,Tsuchiya, Tsutomu
, p. 3543 - 3546 (1998)
CH-Hydrogens at the alpha position of an oxo group in carbohydrates are readily exchanged in 4:4:2:3 1,4-dioxane-THF-Et3N-D2O.
