108691-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108691-17-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,6,9 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 108691-17:
(8*1)+(7*0)+(6*8)+(5*6)+(4*9)+(3*1)+(2*1)+(1*7)=134
134 % 10 = 4
So 108691-17-4 is a valid CAS Registry Number.
108691-17-4Relevant articles and documents
ALLYL PROTECTION OF INTERNUCLEOTIDE LINKAGE
Hayakawa, Y.,Uchiyama, M.,Kato, H.,Noyori, R.
, p. 6505 - 6508 (2007/10/02)
Allyl group serves as a useful protecting group for an internucleotide bond, which can be removed mildly by brief treatment with a catalytic amount of Pd4 and various nucleophiles.
