139605-07-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139605-07-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,6,0 and 5 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 139605-07:
(8*1)+(7*3)+(6*9)+(5*6)+(4*0)+(3*5)+(2*0)+(1*7)=135
135 % 10 = 5
So 139605-07-5 is a valid CAS Registry Number.
139605-07-5Relevant articles and documents
NEW DIMETHYL(METHYLENEOXYARYL)-PHOSPHINE OXIDES
Varbanov, S.,Tosheva, T.,Borisov, G.
, p. 397 - 402 (2007/10/02)
From dimethyl-chloromethyl-phosphine oxides and sodium phenolates of the corresponding mono-, di- and triphenols are prepared by the Williamson reaction new dimethyl(methyleneoxyaryl)phosphine oxides containing one, two or three phosphoryl groups. Key wor