89384-44-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89384-44-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,3,8 and 4 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 89384-44:
(7*8)+(6*9)+(5*3)+(4*8)+(3*4)+(2*4)+(1*4)=181
181 % 10 = 1
So 89384-44-1 is a valid CAS Registry Number.
89384-44-1Relevant articles and documents
HETEROCYCLES IN SYNTHESIS. DIPEPTIDES VIA NMASKING OF 5-ACYL- AND 5-ACYLOXYAMINOOXAZOLES.
Lipshutz, Bruce H.,Hungate, Randall W.,McCarthy, Keith E.
, p. 5155 - 5158 (2007/10/02)
Heteroaromatic oxazole rings, when sbstituted in the appropriate fashion, may be unmasked to afford dipeptides in excellent yields.