81189-53-9 Usage
Occurrence
A further quaternary alkaloid obtained from Fumaria parvifiora Lam., this base has been
obtained as the chloride, yellow crystals with m.p. 253-255°C (dec.).
Check Digit Verification of cas no
The CAS Registry Mumber 81189-53-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,8 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81189-53:
(7*8)+(6*1)+(5*1)+(4*8)+(3*9)+(2*5)+(1*3)=139
139 % 10 = 9
So 81189-53-9 is a valid CAS Registry Number.