127089-49-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127089-49-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,0,8 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 127089-49:
(8*1)+(7*2)+(6*7)+(5*0)+(4*8)+(3*9)+(2*4)+(1*9)=140
140 % 10 = 0
So 127089-49-0 is a valid CAS Registry Number.
127089-49-0Relevant articles and documents
ALKYLATION OF 6-METHYLTHIO- AND 6-BENZYLOXYGUANINE UNDER PHASE-TRANSFER CONDITIONS
Ramzaeva, N.,Alksnis, E.,Goldberg, Yu.,Lidaks, M.
, p. 3121 - 3128 (2007/10/02)
Phase-transfer-catalyzed alkylation of 6-methylthio- and 6-benzyloxyguanine followed by acid hydrolysis provides a simple procedure for the preparation of various 9- and 7-substituted guanines.
