892553-20-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 892553-20-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,2,5,5 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 892553-20:
(8*8)+(7*9)+(6*2)+(5*5)+(4*5)+(3*3)+(2*2)+(1*0)=197
197 % 10 = 7
So 892553-20-7 is a valid CAS Registry Number.
892553-20-7Relevant articles and documents
Norcystine, a new tool for the study of the structure-activity relationship of peptides
Samant, Manoj P.,Rivier, Jean E.
, p. 2361 - 2364 (2006)
Norcysteine (Ncy) is an unnatural amino acid possessing an electronegative sulfur atom directly attached to the α-carbon atom. We describe the synthesis of Boc-D,L-Ncy(Mob)-OH, the resolution of its methyl ester, and the introduction of both D- and L-Ncy
