75863-39-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75863-39-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,8,6 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 75863-39:
(7*7)+(6*5)+(5*8)+(4*6)+(3*3)+(2*3)+(1*9)=167
167 % 10 = 7
So 75863-39-7 is a valid CAS Registry Number.
75863-39-7Relevant articles and documents
Diazomethyl Ketone Derivatives of Pyrimidine Nucleosides
Montgomery, John A.,Thomas, H. Jeanette
, p. 594 - 598 (1981)
1,5,6,8-Tetradeoxy-8-diazo-β-D-erythro-7-octulofuranosylthymine (20) and 5,6,8-trideoxy-8-diazo-β-D-ribo-7-octulofuranosyluracil (31), pyrimidine nucleosides containing the reactive diazomethyl ketone function, were prepared from thymidine and uridine via