133512-95-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133512-95-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,5,1 and 2 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 133512-95:
(8*1)+(7*3)+(6*3)+(5*5)+(4*1)+(3*2)+(2*9)+(1*5)=105
105 % 10 = 5
So 133512-95-5 is a valid CAS Registry Number.
133512-95-5Relevant articles and documents
REACTION OF 8-BROMOTHEOPHYLLINE WITH PYRIDINE AND ALKYLPYRIDINES. 8-PYRIDINIOTHEOPHYLLINATES
Bobkov, V. N.,Zvolinskaya, T. V.,Kuz'menko, I. I.
, p. 1285 - 1288 (2007/10/02)
The reaction of 8-bromotheophylline with pyridine or alkylpyridines in the presence of electrophilic reagents proceeds with the formation of 8-pyridiniotheophyllinates.The possible mechanism of the reaction is discussed.
