130178-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130178-83-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,1,7 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 130178-83:
(8*1)+(7*3)+(6*0)+(5*1)+(4*7)+(3*8)+(2*8)+(1*3)=105
105 % 10 = 5
So 130178-83-5 is a valid CAS Registry Number.
130178-83-5Relevant articles and documents
A simple and versatile synthesis of substituted ethynesulfonamides
LeClercq,Brienne
, p. 3875 - 3878 (2007/10/02)
A variety of substituted 2-arylethynesulfonamides were prepared by a two-step sequence: 1. preparation of 2-oxo-2-arylethanesulfonamides by reaction of the appropriate methanesulfonamide carbanion with a substituted benzoic ester, 2. dehydration of the re