143088-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143088-25-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,0,8 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 143088-25:
(8*1)+(7*4)+(6*3)+(5*0)+(4*8)+(3*8)+(2*2)+(1*5)=119
119 % 10 = 9
So 143088-25-9 is a valid CAS Registry Number.
143088-25-9Relevant articles and documents
A general synthesis of Se-(β-oxoalkyl) O,O-dialkyl selenophosphates
Dybowski,Krawczyk,Skowronska
, p. 601 - 604 (1992)
A general synthesis of a new class of compounds Se-(β-oxoalkyl) O,O-dialkyl selenophosphates based on selenophosphorylation of silyl enol ethers with the chloroselenotrialkoxyphosphonium chlorosulfide 3 is described.