133009-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133009-68-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,0,0 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 133009-68:
(8*1)+(7*3)+(6*3)+(5*0)+(4*0)+(3*9)+(2*6)+(1*8)=94
94 % 10 = 4
So 133009-68-4 is a valid CAS Registry Number.
133009-68-4Relevant articles and documents
A FACILE PREPARATION OF O-ACYLATED β-D-RIBOFURANOSYL CYANIDE, AN IMPORTANT INTERMEDIATE OF C-NUCLEOSIDE SYNTHESIS
Utimoto, Kiitiro,Horiie, Takafumi
, p. 237 - 238 (1982)
Tri-O-benzoyl and tri-O-acetyl derivatives of the title compound are obtained from the corresponding 1-O-acetates in good yields by treatment with cyanotrimethylsilane.
