article number	Number of repeating units (N value)	Number of repeating units (x value)	MW=(Da)
P490018-n22-x10	n=22 (MW=1,000 Da)	x=10	1400
P490018-n22-x50	n=22 (MW=1,000 Da)	x=50	6850
P490018-n22-x100	n=22 (MW=1,000 Da)	x=100	14000
P490018-n113-x10	n=113 (MW=5,000 Da)	x=10	1400
P490018-n113-x50	n=113 (MW=5,000 Da)	x=50	6850
P490018-n113-x100	n=113 (MW=5,000 Da)	x=100	14000

Specifications

Stability And Storage

Store poly(L-aspartic acid)-block-poly(ethylene glycol)-block-poly(L-aspartic acid) sodium salt under the condition of flushing with argon and protecting from light, and below -20°C.

Storage

Protected from light, Store at -20°C, Argon charged

Shipped In

Ice chest + Ice pads

This product requires cold chain shipping. Ground and other economy services are not available.

Documentation

📋 Safety Data Sheet (SDS)

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

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✅ Certificate of Analysis (COA)

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

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Chemical and Physical Properties

Sensitivity	Light sensitive

Solution Calculators

Molarity Calculator

Determine the necessary mass, volume, or concentration for preparing a solution.

Dilution Calculator

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Reconstitution Calculator

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