130281-62-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130281-62-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,2,8 and 1 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 130281-62:
(8*1)+(7*3)+(6*0)+(5*2)+(4*8)+(3*1)+(2*6)+(1*2)=88
88 % 10 = 8
So 130281-62-8 is a valid CAS Registry Number.
130281-62-8Relevant articles and documents
Reactions of ethinyltriphenylphosphonium salts with phosphoniumylides
Bestmann,Kisielowski
, p. 3301 - 3304 (1990)
Ethinylphosphonium salts 4 react with methylenetriphenylphosphorane 5 to give 1,3-bis-(triphenylphosphonio)propenid-cation salts 6, whereas from 4 with benzylidenetriphenylphosphorane 10α and isopropylidenetriphenylphosphorane 10β the 1.3-diphosphaallyl-c