99131-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99131-99-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,1,3 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 99131-99:
(7*9)+(6*9)+(5*1)+(4*3)+(3*1)+(2*9)+(1*9)=164
164 % 10 = 4
So 99131-99-4 is a valid CAS Registry Number.
99131-99-4Relevant articles and documents
SYNTHESIS OF PHIDOLOPIN, 7-(4-HYDROXY-3-NITROBENZYL)-1,3-DIMETHYLXANTHINE FROM THE BRYOZOAN PHIDOLOPORA PACIFICA
Hirota, Kosaku,Kubo, Keiko,Kitade, Yukio,Maki, Yoshifumi
, p. 2355 - 2356 (2007/10/02)
A total synthesis of a biologically active compound, phidolopin, was accomplished and its regioisomer was also synthesized.
