117900-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117900-83-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,9,0 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 117900-83:
(8*1)+(7*1)+(6*7)+(5*9)+(4*0)+(3*0)+(2*8)+(1*3)=121
121 % 10 = 1
So 117900-83-1 is a valid CAS Registry Number.
117900-83-1Relevant articles and documents
TOTAL SYNTHESIS OF (+/-)-CLAVAM-2-CARBOXYLIC ACID
Arribas, E.,Carreiro, C.,Valdeolmillos, A. M.
, p. 1609 - 1612 (2007/10/02)
Racemic clavam-2-carboxylic acid has been obtained by a six-step synthesis from readily available starting matrials.