18670-99-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18670-99-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,6,7 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 18670-99:
(7*1)+(6*8)+(5*6)+(4*7)+(3*0)+(2*9)+(1*9)=140
140 % 10 = 0
So 18670-99-0 is a valid CAS Registry Number.
InChI:InChI=1/C14H26N2O5S/c1-9(12(18)20-5)15-11(17)10(7-8-22-6)16-13(19)21-14(2,3)4/h9-10H,7-8H2,1-6H3,(H,15,17)(H,16,19)
18670-99-0Relevant articles and documents
3-O--HYDROXY-2-PHENYLINDENONES, PREPARATION AND USE IN THE SYNTHESIS OF PEPTIDES
Mincev, Stoyan,Derdowska, Izabela,Kupryszewski, Gotfryd
, p. 443 - 452 (2007/10/02)
Several 3-O--hydroxy-2-phenylindenones were obtained and used in the synthesis of peptides.Synthesis of Leu-enkephalin was carried out.