<h3>Please send all feedback to development-at-chemspider-dot-com</h3><i>NOTE: Some operations require a "Security Token". To obtain a token please complete the <a href="/Register.aspx">registration</a> process. Security Token is listed at <a href="/UserProfile.aspx">Profile</a> page.</i> Get the list of datasources in ChemSpider. Search ChemSpider by mass +/- range within specified datasources list. <span style="color: red; font-weight: bold;">This operation is deprecated and will be removed soon - use SearchByMassAsync instead.</span> Search ChemSpider by mass +/- range. Search ChemSpider by molecular formula within specified datasources list. <span style="color: red; font-weight: bold;">This operation is deprecated and will be removed soon - use SearchByFormulaAsync instead.</span> Search ChemSpider by molecular formula. Returns ChemSpider record in MOL format or empty string in case of failure. cacl3d parameter specifies if 3D coordinates should be calculated before returning record data. Security token is required. Returns gzip'ed SDF containing records found by asynchronous search operation. Security token with 'Service Subscriber' role is required. Return SDF containing records found by asynchronous search operation. Security token with 'Service Subscriber' role is required. Get extended record details by CSID. Security token is required. Get array of extended record details by an array of CSIDs. Security token is required. Search ChemSpider by mass +/- range within specified datasources list. Operation returns transaction ID which has to be used with <a href='/Search.asmx?op=GetAsyncSearchStatus'>GetAsyncSearchStatus()</a> and <a href='/Search.asmx?op=GetAsyncSearchResult'>GetAsyncSearchResult()</a> to retrieve results. Security token is required. Search ChemSpider by molecular formula within specified datasources list. Operation returns transaction ID which has to be used with <a href='/Search.asmx?op=GetAsyncSearchStatus'>GetAsyncSearchStatus()</a> and <a href='/Search.asmx?op=GetAsyncSearchResult'>GetAsyncSearchResult()</a> to retrieve results. Security token is required. Get the list of datasources in ChemSpider. Search ChemSpider by mass +/- range. Search ChemSpider by molecular formula. Returns ChemSpider record in MOL format or empty string in case of failure. cacl3d parameter specifies if 3D coordinates should be calculated before returning record data. Security token is required. Returns gzip'ed SDF containing records found by asynchronous search operation. Security token with 'Service Subscriber' role is required. Return SDF containing records found by asynchronous search operation. Security token with 'Service Subscriber' role is required. Get extended record details by CSID. Security token is required. Get array of extended record details by an array of CSIDs. Security token is required. Get the list of datasources in ChemSpider. Search ChemSpider by mass +/- range. Search ChemSpider by molecular formula. Returns ChemSpider record in MOL format or empty string in case of failure. cacl3d parameter specifies if 3D coordinates should be calculated before returning record data. Security token is required. Returns gzip'ed SDF containing records found by asynchronous search operation. Security token with 'Service Subscriber' role is required. Return SDF containing records found by asynchronous search operation. Security token with 'Service Subscriber' role is required. Get extended record details by CSID. Security token is required. Get array of extended record details by an array of CSIDs. Security token is required. <h3>Please send all feedback to development-at-chemspider-dot-com</h3><i>NOTE: Some operations require a "Security Token". To obtain a token please complete the <a href="/Register.aspx">registration</a> process. Security Token is listed at <a href="/UserProfile.aspx">Profile</a> page.</i>