203188-96-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 203188-96-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,1,8 and 8 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 203188-96:
(8*2)+(7*0)+(6*3)+(5*1)+(4*8)+(3*8)+(2*9)+(1*6)=119
119 % 10 = 9
So 203188-96-9 is a valid CAS Registry Number.
203188-96-9Relevant articles and documents
Opening of levoglucosane derived epoxides with oxygen, nitrogen and sulfur nucleophiles
Brill, Wolfgang K.-D.,Tirefort, Dominique
, p. 787 - 790 (1998)
A variety of nucleophiles were employed to open levoglucosane derived epoxides.