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221310-31-2

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221310-31-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221310-31-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,3,1 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 221310-31:
(8*2)+(7*2)+(6*1)+(5*3)+(4*1)+(3*0)+(2*3)+(1*1)=62
62 % 10 = 2
So 221310-31-2 is a valid CAS Registry Number.

221310-31-2Downstream Products

221310-31-2Relevant articles and documents

New renin inhibitors with hydrophilic C-terminus

Paruszewski,Jaworski,Winiecka,Tautt,Dudkiewicz

, p. 102 - 106 (2007/10/03)

Four new peptide-based renin inhibitors, Boc-Phe(4-OMe)-MePhe-AHPPA- εAhx-EA (11), Boc-Phe(4-OMe)-MeLeu-AHPPA-eAhx-EA (15), Boc-Phe(4-OMe)- MePhe-Sta-εAhx-EA (20) and Boc-Phe(4-OMe)-MeLeu-Sta-εAhx-EA (21) have been synthesized in search of structures with improved biological properties. They were designed as compounds with moderate hydrophobicity (5.28, 4.79, 4.79 and 4.30), respectively. All synthesized inhibitors were resistant to chymotrypsin activity, all were poorly solubile in buffers pH 2.0 and pH 7.4. The inhibitory potency of renin activity in vitro of 11, 15, 20 and 21 expressed as IC50 was 7.0 x 10-4, 7.5 x 10-5, 6.0 x 10-4 and 2.5 x 10-4 M/l, respectively.

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