158746-52-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158746-52-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,7,4 and 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 158746-52:
(8*1)+(7*5)+(6*8)+(5*7)+(4*4)+(3*6)+(2*5)+(1*2)=172
172 % 10 = 2
So 158746-52-2 is a valid CAS Registry Number.
158746-52-2Relevant articles and documents
Synthesis of unsymmetrically substituted 1,4-dihydropyridines and analogous calcium antagonists by microwave heating
Alajarin,Jordan,Vaquero,Alvarez-Builla
, p. 389 - 391 (1995)
Rapid and efficient synthesis of 3,5-unsymmetrically substituted 1,4-dihydropyridines and imidazopyrimidine derivatives can be achieved under microwave irradiation using a household microwave oven.
