103725-13-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103725-13-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,7,2 and 5 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 103725-13:
(8*1)+(7*0)+(6*3)+(5*7)+(4*2)+(3*5)+(2*1)+(1*3)=89
89 % 10 = 9
So 103725-13-9 is a valid CAS Registry Number.
103725-13-9Relevant articles and documents
One-pot Synthesis of Acetylenic Sulfones from Chloro(phenylsulfonyl)methanephosphonate
Lee, Jae Wook,Kim, Taek Hyeon,Oh, Dong Young
, p. 2633 - 2638 (2007/10/02)
Acetylenic sulfones are obtained in one-pot by the reaction of chloro(phenylsulfonyl)methanephosphonate with aromatic aldehydes in the presence of excess base.