117687-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117687-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,8 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 117687-57:
(8*1)+(7*1)+(6*7)+(5*6)+(4*8)+(3*7)+(2*5)+(1*7)=157
157 % 10 = 7
So 117687-57-7 is a valid CAS Registry Number.
117687-57-7Relevant articles and documents
Synthesis and Spetral Studies of Some Alkyl benzoate Derivatives. 3.
El-Bardan, Ali A.,Hamed, Ezzat A.,Saad, Esmat F.
, p. 133 - 134 (2007/10/02)
The synthesis, IR spectra, and proton NMR spectra of some alkyl benzoate derivatives are reported.
