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72040-69-8

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72040-69-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72040-69-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,0,4 and 0 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72040-69:
(7*7)+(6*2)+(5*0)+(4*4)+(3*0)+(2*6)+(1*9)=98
98 % 10 = 8
So 72040-69-8 is a valid CAS Registry Number.

72040-69-8Relevant articles and documents

Nitrogen Participation in the Deacylation of D-Glucosamine and α-Chymotrypsin Derivatives. Explanation of the Stereospecificity of Acyl-α-Chymotrypsin Hydrolysis

Oetvoes, Laszlo,Kraicsovits, Ferenc

, p. 5009 - 5014 (1992)

The hydrolysis of ethyl 3,4,6-tri-O-acetyl-2-deoxy-2-amino-β-D-glucopyranoside and acylated α-chymotrypsins has been investigated.Both transformations are catalyzed by neighbouring nitrogen atom participation.The stereospecificity of acylated enzyme hydrolysis can be explained by the specific steric hindrance of nitrogen participation.Keywords: selective deacylation, stereospezific ester hydrolysis, acylated derivatives of α-chymotrypsin, 2-amino-2-deoxy-glucose

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