131711-09-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131711-09-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,7,1 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 131711-09:
(8*1)+(7*3)+(6*1)+(5*7)+(4*1)+(3*1)+(2*0)+(1*9)=86
86 % 10 = 6
So 131711-09-6 is a valid CAS Registry Number.
131711-09-6Relevant 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.