Arg-Lys-Arg-Ser-Arg-Ala-Glu (TFA), CAS No.81187-14-6 (free base)

CAS: 81187-14-6 (free base) Cat. No.: H389536 Molecular Weight: 902.01 (free base) PubChem CID: 57358765
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5mg
H389536-5mg
3

$88.90

$103.90
Save $15.00 (14.44%)
25mg
H389536-25mg
3

$264.90

$309.90
Save $45.00 (14.52%)
100mg
H389536-100mg
2

$735.90

$859.90
Save $124.00 (14.42%)
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

H2Btide is a synthetic specific substrate for PKG with strong preference for PKG I&alpha (cGKIα); over PKG II (cGKII).
H2Btideis a synthetic specific substrate for PKG with strong preference for PKG Iα over PKG II

Specifications

Product Name
Arg-Lys-Arg-Ser-Arg-Ala-Glu (TFA), CAS No.81187-14-6 (free base)
Synonyms
HY-P1561 | (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]hexanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-3-hydroxypropanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]ami
Specifications & Purity
≥97%
Sequence
H-Arg-Lys-Arg-Ser-Arg-Ala-Glu-OH
CAS
81187-14-6 (free base)
Molecule Type
Peptide
Storage and Shipping
Shape
Solid
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Peptides
Direct ParentOligopeptides
Alternative Parents Glutamic acid and derivatives  N-acyl-L-alpha-amino acids  Serine and derivatives  Alpha amino acid amides  Alanine and derivatives  N-acyl amines  Fatty acids and conjugates  Dicarboxylic acids and derivatives  Secondary carboxylic acid amides  Amino acids  Guanidines  Propargyl-type 1,3-dipolar organic compounds  Carboximidamides  Carboxylic acids  Hydrocarbon derivatives  Monoalkylamines  Carbonyl compounds  Organic oxides  Organopnictogen compounds  Primary alcohols  
Molecular FrameworkAliphatic acyclic compounds
Substituents Alpha-oligopeptide - Glutamic acid or derivatives - N-acyl-alpha-amino acid - N-acyl-alpha amino acid or derivatives - N-acyl-l-alpha-amino acid - Alpha-amino acid amide - Serine or derivatives - Alanine or derivatives - N-substituted-alpha-amino acid - Alpha-amino acid or derivatives - N-acyl-amine - Fatty amide - Dicarboxylic acid or derivatives - Fatty acid - Fatty acyl - Secondary carboxylic acid amide - Amino acid - Guanidine - Amino acid or derivatives - Carboxamide group - Carboximidamide - Carboxylic acid - Propargyl-type 1,3-dipolar organic compound - Organic 1,3-dipolar compound - Alcohol - Primary aliphatic amine - Organonitrogen compound - Organooxygen compound - Primary alcohol - Primary amine - Hydrocarbon derivative - Carbonyl group - Organic oxide - Amine - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as oligopeptides. These are organic compounds containing a sequence of between three and ten alpha-amino acids joined by peptide bonds.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

3 results found

Lot NumberCertificate TypeDateItem
B2327234Certificate of AnalysisDec 12, 2025 H389536
B2327237Certificate of AnalysisDec 12, 2025 H389536
B2327665Certificate of AnalysisDec 12, 2025 H389536
Solution Calculators
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