157927-48-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157927-48-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,9,2 and 7 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 157927-48:
(8*1)+(7*5)+(6*7)+(5*9)+(4*2)+(3*7)+(2*4)+(1*8)=175
175 % 10 = 5
So 157927-48-5 is a valid CAS Registry Number.
157927-48-5Relevant academic research and scientific papers
PYRIDOPYRIMIDINE DERIVATIVES, THEIR PRODUCTION AND USE
-
, (2008/06/13)
Pyridopyrimidine derivatives of the formula (A), wherein n denotes an integer of 0 to 3, Q stands for--(CH 2) m--,--O--,--S(O) P--or--N--, and R 1 to R 5 stand for substituents, where R 3 is an optionally substituted phenyl, naphthyl, pyridyl, quinolyl, q
