diff --git a/packages/components/package-lock.json b/packages/components/package-lock.json
index 960d7b58cb..2032d97a7e 100644
--- a/packages/components/package-lock.json
+++ b/packages/components/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@labkey/components",
-  "version": "7.35.2",
+  "version": "7.35.3-fb-moleculeImport.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@labkey/components",
-      "version": "7.35.2",
+      "version": "7.35.3-fb-moleculeImport.2",
       "license": "SEE LICENSE IN LICENSE.txt",
       "dependencies": {
         "@hello-pangea/dnd": "18.0.1",
diff --git a/packages/components/package.json b/packages/components/package.json
index ff80056fbf..3833c8830c 100644
--- a/packages/components/package.json
+++ b/packages/components/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@labkey/components",
-  "version": "7.35.2",
+  "version": "7.35.3-fb-moleculeImport.2",
   "description": "Components, models, actions, and utility functions for LabKey applications and pages",
   "sideEffects": false,
   "files": [
diff --git a/packages/components/releaseNotes/components.md b/packages/components/releaseNotes/components.md
index 0ac7264c99..0576363ec8 100644
--- a/packages/components/releaseNotes/components.md
+++ b/packages/components/releaseNotes/components.md
@@ -1,6 +1,11 @@
 # @labkey/components
 Components, models, actions, and utility functions for LabKey applications and pages
 
+### version 7.X
+*Released*: X May 2026
+- Molecule and PS bulk import by file
+  - TODO
+
 ### version 7.35.2
 *Released*: 12 May 2026
 - Package updates
diff --git a/packages/components/src/index.ts b/packages/components/src/index.ts
index ba0b3643db..d561fa752a 100644
--- a/packages/components/src/index.ts
+++ b/packages/components/src/index.ts
@@ -194,6 +194,7 @@ import {
 } from './internal/components/editable/actions';
 import {
     clearSelected,
+    getDataClassesFromTransactionIds,
     getGridIdsFromTransactionId,
     getSampleTypesFromTransactionIds,
     getSelected,
@@ -1338,7 +1339,6 @@ export {
     genCellKey,
     GENERAL_ASSAY_PROVIDER_NAME,
     generateId,
-    stringToHtmlId,
     generateNameWithTimestamp,
     getActionErrorMessage,
     getActionValuesForFilterProps,
@@ -1352,6 +1352,7 @@ export {
     getContainerFilterForLookups,
     getContainersForPermission,
     getDataClassDetails,
+    getDataClassesFromTransactionIds,
     getDataDeleteConfirmationData,
     getDateFNSDateFormat,
     getDateTimeInputOptions,
@@ -1717,6 +1718,7 @@ export {
     StorageAmountInput,
     StorageStatusRenderer,
     STORED_AMOUNT_FIELDS,
+    stringToHtmlId,
     SVGIcon,
     Tab,
     TabbedGridPanel,
diff --git a/packages/components/src/internal/actions.ts b/packages/components/src/internal/actions.ts
index 77a10200dd..2d94822afe 100644
--- a/packages/components/src/internal/actions.ts
+++ b/packages/components/src/internal/actions.ts
@@ -43,8 +43,10 @@ import { resolveErrorMessage } from './util/messaging';
 
 import { ViewInfo } from './ViewInfo';
 import { createGridModelId } from './models';
-import { SAMPLES_KEY } from './app/constants';
+import { SAMPLES_KEY, SOURCES_KEY } from './app/constants';
 import { SCHEMAS } from './schemas';
+import { selectRows } from './query/selectRows';
+import { caseInsensitive } from './util/utils';
 
 export function selectAll(
     key: string,
@@ -62,12 +64,19 @@ export function selectAll(
     });
 }
 
+type DataTypeRowIdsFromTransactionIds = {
+    dataTypeRowCounts: Record<number, number>; // todo rename to count
+    typeNameRowCounts?: Record<string, number>;
+    dataTypes?: string[];
+    rowIds: string[];
+};
+
 export async function getGridIdsFromTransactionId(
     transactionAuditId: number | string,
     dataType: string,
     containerPath?: string
-): Promise<string[]> {
-    if (!transactionAuditId) return;
+): Promise<DataTypeRowIdsFromTransactionIds> {
+    if (!transactionAuditId) return { rowIds: [], dataTypeRowCounts: {} };
 
     const failureMsg = `There was a problem retrieving the ${dataType} from the last action.`;
     const errorLogMsg = `${failureMsg} (transactionAuditId = ${transactionAuditId})`;
@@ -88,7 +97,11 @@ export async function getGridIdsFromTransactionId(
     }
 
     // The server returns numbers, so we coerce to string; If we don't, it can lead to bugs (and has).
-    return response.rowIds.map(rowId => rowId.toString());
+    const rowIds = response.rowIds.map(rowId => rowId.toString());
+    return {
+        rowIds,
+        dataTypeRowCounts: response['dataTypeRowCounts'],
+    };
 }
 
 export async function selectGridIdsFromTransactionId(
@@ -97,32 +110,81 @@ export async function selectGridIdsFromTransactionId(
     transactionAuditId: number | string,
     dataType: string,
     actions: Actions
-): Promise<string[]> {
-    if (!transactionAuditId) return undefined;
+): Promise<DataTypeRowIdsFromTransactionIds> {
+    if (!transactionAuditId) return { rowIds: [], dataTypeRowCounts: {} };
 
     const modelId = createGridModelId(gridIdPrefix, schemaQuery);
     const selected = await getGridIdsFromTransactionId(transactionAuditId, dataType);
-    actions.replaceSelections(modelId, selected);
+    actions.replaceSelections(modelId, selected.rowIds);
     return selected;
 }
 
-type SampleTypesFromTransactionIds = { rowIds: string[]; sampleTypes: string[] };
-
-export async function getSampleTypesFromTransactionIds(
-    transactionAuditId: number | string
-): Promise<SampleTypesFromTransactionIds> {
-    if (!transactionAuditId) return undefined;
-
-    const rowIds = await getGridIdsFromTransactionId(transactionAuditId, SAMPLES_KEY);
-    const sampleTypes = await selectDistinctRows({
-        schemaName: SCHEMAS.EXP_TABLES.MATERIALS.schemaName,
-        queryName: SCHEMAS.EXP_TABLES.MATERIALS.queryName,
-        column: 'SampleSet/Name',
+async function getDataTypesFromTransactionId(
+    transactionAuditId: number | string,
+    auditDataType: string,
+    schemaName: string,
+    queryName: string,
+    typeColumn: string
+): Promise<DataTypeRowIdsFromTransactionIds> {
+    if (!transactionAuditId) return { rowIds: [], dataTypeRowCounts: {}, dataTypes: [] };
+
+    const { rowIds, dataTypeRowCounts } = await getGridIdsFromTransactionId(transactionAuditId, auditDataType);
+    const distinct = await selectDistinctRows({
+        schemaName,
+        queryName,
+        column: typeColumn,
         filterArray: [Filter.create('RowId', rowIds, Filter.Types.IN)],
     });
+    return { rowIds, dataTypeRowCounts, dataTypes: distinct.values };
+}
+
+export function getSampleTypesFromTransactionIds(
+    transactionAuditId: number | string
+): Promise<DataTypeRowIdsFromTransactionIds> {
+    return getDataTypesFromTransactionId(
+        transactionAuditId,
+        SAMPLES_KEY,
+        SCHEMAS.EXP_TABLES.MATERIALS.schemaName,
+        SCHEMAS.EXP_TABLES.MATERIALS.queryName,
+        'SampleSet/Name'
+    );
+}
+
+export async function getDataClassesFromTransactionIds(
+    transactionAuditId: number | string
+): Promise<DataTypeRowIdsFromTransactionIds> {
+    const results = await getDataTypesFromTransactionId(
+        transactionAuditId,
+        SOURCES_KEY,
+        SCHEMAS.EXP_TABLES.DATA.schemaName,
+        SCHEMAS.EXP_TABLES.DATA.queryName,
+        'DataClass/Name'
+    );
+
+    if (!results.rowIds.length) return { ...results, typeNameRowCounts: {} };
+
+    const { dataTypeRowCounts, dataTypes } = results;
+    const dataTypeLcMap = Object.fromEntries((dataTypes ?? []).map(dt => [dt.toLowerCase(), dt]));
+
+    const typeNameRowCounts = {};
+    if (Object.keys(dataTypeRowCounts).length > 0) {
+        const dataClasses = await selectRows({
+            schemaQuery: SCHEMAS.EXP_TABLES.DATA_CLASSES,
+            columns: ['Name', 'RowId'],
+            filterArray: [Filter.create('rowId', Object.keys(dataTypeRowCounts), Filter.Types.IN)],
+            containerFilter: Query.containerFilter.currentPlusProjectAndShared,
+        });
+
+        dataClasses.rows.forEach(row => {
+            const dataClassLc = caseInsensitive(row, 'Name')?.value?.toLowerCase();
+            const rowId = caseInsensitive(row, 'RowId').value;
+            typeNameRowCounts[dataTypeLcMap[dataClassLc]] = dataTypeRowCounts[rowId];
+        });
+    }
+
     return {
-        rowIds,
-        sampleTypes: sampleTypes.values,
+        ...results,
+        typeNameRowCounts,
     };
 }