D-Biotin

CAS 58-85-5C10H16N2O3S¹244.31 g/mol¹

Chemical Biology Biotinylation Reagents

2D Molecular Structure

PubChem CID 171548 ¹

Selected specification: 99% · ACS · SOLID
Selected package basis: 25 g

Safety: WARNING. Development safety data.

Safety & regulatory sources Reference sources

Safety signal: WARNING. Development safety data; independently verify before use.

Regional Index Calculator

Change an input below. Results update instantly.

Interactive

Basis

99% · ACS · SOLID · 25 g

Package count× 25 g

China duty assumption

US additional cost

China freight & handling

US total

$149.00

China total

$77.48

Difference

$71.52

China scenario is lower by $71.52 (48.00%).

Index × package count + your entered adjustments. Research scenario only—not a quotation.

Market Intelligence Snapshot

99% · ACS · SOLID · 25 g · Regional reference indexes

US Regional Index

$149.00

Per 25 g basis

China Regional Index

$77.48

Per 25 g basis

Regional Gap

48%

$71.52 less in China

Updated Aug 21, 2026 · Reference indexes, not supplier quotations

Calculation evidence & references

US index evidence · demo-frontend-v24 observations · 4 eligible suppliers · calculated Aug 21, 2026

China index evidence · demo-frontend-v24 observations · 4 eligible suppliers · calculated Aug 21, 2026

Public market reference channelsAlibaba.com ↗Amazon Business ↗How calculated ↗

Platform links identify public market channels. Exact supplier identities remain private; each displayed value is a GrapeCat Chem regional index, not a platform quote.

12-Month Regional Index History

Confidence: HIGHFreshness: Aug 21, 2026

USD-normalized · 25 g comparison basis

Compressed price scale · omitted empty range: 80–130.1

View exact monthly observations →

Latest six exact monthly observations
Region	Mar26	Apr26	May26	Jun26	Jul26	Aug26
US	141.6	143	144.5	146	147.5	149
CN	73.6	74.4	75.2	75.9	76.7	77.5

Exact monthly observations (12)

Exact monthly observations
	US	China
2025-09-01	132.61000000	68.95720000
2025-10-01	134.10000000	69.73200000
2025-11-01	135.59000000	70.50680000
2025-12-01	137.08000000	71.28160000
2026-01-01	138.57000000	72.05640000
2026-02-01	140.06000000	72.83120000
2026-03-01	141.55000000	73.60600000
2026-04-01	143.04000000	74.38080000
2026-05-01	144.53000000	75.15560000
2026-06-01	146.02000000	75.93040000
2026-07-01	147.51000000	76.70520000
2026-08-01	149.00000000	77.48000000

Exact monthly observations
Region	Sep2025	Oct2025	Nov2025	Dec2025	Jan2026	Feb2026	Mar2026	Apr2026	May2026	Jun2026	Jul2026	Aug2026
US	132.61	134.1	135.59	137.08	138.57	140.06	141.55	143.04	144.53	146.02	147.51	149
China	68.96	69.73	70.51	71.28	72.06	72.83	73.61	74.38	75.16	75.93	76.71	77.48

Published 1y index history · demo-frontend-v2 · basis 25 g · Methodology ↗

Structure, sources & questions

2D Molecular Structure

PubChem CID 171548 ¹

Safety & regulatory sources Reference sources

Development safety data; independently verify before use.

Available Specifications & Package Bases

Normalized specification and package facts from eligible technical documents; source-specific supplier promotion remains private. Each package is an independent research basis. How calculated ↗

99% · ACS · SOLID

25 g

Current basis

US: $149.00
China: $77.48
Gap: 48%; $71.52 less in China

demo-frontend-v2 · 4/4 US/CN observations · calculated Aug 21, 2026

Specification	Package	US Index	China Index	Regional Gap	Confidence	Freshness
99% · ACS · SOLIDDisplayed	25 g	$149.00	$77.48	48%	HIGH	Aug 21, 2026

Reference Data & Physical Properties

Secondary scientific reference values; unavailable fields remain unfilled.

External identifiers

InChIKey: YBJHBAHKTGYVGT-ZKWXMUAHSA-N¹
PubChem CID: 171548¹
MDL Number: DEMO-MDL-00001257
SMILES: C1C2C(C(S1)CCCCC(=O)O)NC(=O)N2¹

Applicable physical properties

Form: SOLID

Only source-provided properties applicable to this published basis are shown. Storage and container requirements remain in Safety Summary.

Melting Point: 139 degC
Boiling Point: 207 degC
Density: 1.37 g/mL
Flash Point: 156 degC

Sources (1)[1] PubChem CID 171548Verified 2026-08-17

Classification

Scientific Sourcing Taxonomy

Chemical BiologyBiotinylation Reagents

Related Chemical Records

Published records from the authoritative scientific sourcing relation.

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