135131-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135131-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,1,3 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 135131-52:
(8*1)+(7*3)+(6*5)+(5*1)+(4*3)+(3*1)+(2*5)+(1*2)=91
91 % 10 = 1
So 135131-52-1 is a valid CAS Registry Number.
135131-52-1Relevant articles and documents
Addition of perfluoroalkyl iodides to 4-pentenol and its derivatives: one-pot preparation of 2--tetrahydrofurans
Greiner, J.,Milius, A.,Riess, J. G.
, p. 285 - 293 (2007/10/02)
Dependimg on the nature of the lakaline medium, the radical addition of perfluoroalkyl iodides to 4-pentenol gives a mixture of 5-(F-alkyl)-4-pentenol and 2-tetrahydrofuran, or the latter alone.