148122-90-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 148122-90-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,1,2 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 148122-90:
(8*1)+(7*4)+(6*8)+(5*1)+(4*2)+(3*2)+(2*9)+(1*0)=121
121 % 10 = 1
So 148122-90-1 is a valid CAS Registry Number.
148122-90-1Relevant articles and documents
REACTIONS OF THEOPHYLLINES. SYNTHESIS OF 8-TRIMETHYLAMMONIOTHEOPHYLLINATE
Bobkov, V. N.,Zvolinskaya, T. V.,Kuz'menko, I. I.
, p. 1317 - 1322 (2007/10/02)
The reaction of 8-bromo- and 8-dimethylaminotheophyllines with organic acid chlorides in the presence of tertiary aliphatic amines was investigated. The direction of the reactions depends on the nature of each of the three components. Depending on the com