1128189-02-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1128189-02-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,2,8,1,8 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1128189-02:
(9*1)+(8*1)+(7*2)+(6*8)+(5*1)+(4*8)+(3*9)+(2*0)+(1*2)=145
145 % 10 = 5
So 1128189-02-5 is a valid CAS Registry Number.
1128189-02-5Relevant articles and documents
Rapid 1,4-alkynylation of acyclic enones using K[F3BC≡CR]
Bertolini, Ferruccio,Woodward, Simon
, p. 51 - 54 (2009)
Conjugate alkynylation of acyclic enones using sp-hybridised potassium organotrifluoroborates in the presence of BF3·OEt2 is rapidly attained. The simplicity of the processes is suitable for the preparation of small compound librarie