124321-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 124321-52-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,3,2 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 124321-52:
(8*1)+(7*2)+(6*4)+(5*3)+(4*2)+(3*1)+(2*5)+(1*2)=84
84 % 10 = 4
So 124321-52-4 is a valid CAS Registry Number.
124321-52-4Relevant articles and documents
ANALOGS OF PURINE NUCLEOSIDES. 4. 7-ALKYLATED 9-(2-HYDROXYMETHYL)GUANINE
Madre, M. A.,Zhuk, R. A.,Lidak, M. Yu.
, p. 535 - 540 (1989)
7,9-Disubstituted guaninium hydrohalides were synthesized by the reaction of 9- and 7-(2-hydroxymethyl)guanines with alkyl halides.The effect of the structure of the alkylating agent on the direction and yield of the alkylation reaction was established.Th
