89239-03-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89239-03-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,2,3 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 89239-03:
(7*8)+(6*9)+(5*2)+(4*3)+(3*9)+(2*0)+(1*3)=162
162 % 10 = 2
So 89239-03-2 is a valid CAS Registry Number.
89239-03-2Relevant articles and documents
METHOXYETHOXYMETHYL GROUP FOR THE PROTECTION OF URACIL RESIDUE IN OLIGORIBONUCLEOTIDE SYNTHESIS
Takaku, Hiroshi,Ueda, Souichi,Ito, Tsunehiko
, p. 5363 - 5366 (2007/10/02)
Methoxyethoxymethyl group (MEM) was useful protecting group for the protection of uracil residue.This group was selectively introduced into uracil residue in good yield and removed under mild conditions.