Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 15 - Jun 20
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Description
Leupeptin hemisulfate, Trypsin-like and cysteine protease inhibitorDescription Product Details Formal Name: N acetyl L leucyl L leucyl L argininal, hemisulfate Alternate Names: Ac Leu Leu Arg CHO Molecular Formula: C20H38N6O4 1 2H2SO4 Formula Weight: 475. 60 CAS Number: 103476 89 7 Purity: >95%; peptide content >85% Formulation: powder Solubility: Soluble in Water (up to 50 mg ml). Also soluble in ethanol and methanol Storage: 20C Stability: 2 years. Applications Trypsin like and cysteine protease inhibitor Functions
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 1613 reviews
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Product Reviews
★★★★★ 5
GORGEOUS OVER THE TOP RING
Gem Type: Amethyst, Ring Size: 10, Gem Type: Amethyst, Ring Size: 10
Nice gold weight, Beautiful stone, comfortable on finger, nice workmanship!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2019
★★★★★ 5
Gorgeous ring!
Gorgeous ring!!!! Love 💜
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 22, 2020
★★★★★ 5
Beautiful forever ring
Ring Size: 8.5, Ring Size: 8.5
This ring is absolutely beautiful great workmanship perfect size fit. I love it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
★★★★★ 5
Lovely
Ring Size: 6.25
The only word for this ring is "lovely." It took a long time to get to me as I ordered it January 30, 2026 and it arrived the third week of February but to be honest, it was worth waiting for.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 24, 2026
★★★★★ 5
Perfect fit, both literally and figuratively.
Perfect fit (after I got my ring size correct!) and looks great next to my large engagement ring. Doesn't take away from the engagement ring, but enhances it with the simple, but delicate two-tone white and yellow gold design,
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 8, 2026
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