291299-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 291299-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,1,2,9 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 291299-91:
(8*2)+(7*9)+(6*1)+(5*2)+(4*9)+(3*9)+(2*9)+(1*1)=177
177 % 10 = 7
So 291299-91-7 is a valid CAS Registry Number.
291299-91-7Relevant articles and documents
2-Benzamidoethyl group - A novel type of phosphate protecting group for oligonucleotide synthesis
Guzaev,Manoharan
, p. 783 - 791 (2007/10/03)
A number of 5′-O-(4,4′-dimethoxytrityl)thymidine N,N-diisopropylamino phosphoramidites protected at P(III) with derivatives of 2-benzamidoethanol were synthesized and incorporated into synthetic oligonucleotides. Depending on substitution patterns at the
