1339905-36-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1339905-36-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,9,9,0 and 5 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1339905-36:
(9*1)+(8*3)+(7*3)+(6*9)+(5*9)+(4*0)+(3*5)+(2*3)+(1*6)=180
180 % 10 = 0
So 1339905-36-0 is a valid CAS Registry Number.
1339905-36-0Relevant articles and documents
Synthesis and regiospecific methylation of new benzimidazolyl β-ketosulfones and β-hydroxysulfones
Kumar, N. D. Mahesh,Dubey
, p. 829 - 834 (2011/08/09)
Condensation of 2-mercaptobenzimidazoles la-e with a-bromoacetylbenzene 2 resulting in benzimidazolyl P-ketosulfides 3a-e followed by oxidation with hydrogen peroxide giving β-ketosulfones 7a-e and subsequent reduction with sodium borohydride yielding β-h