137157-55-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137157-55-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,1,5 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 137157-55:
(8*1)+(7*3)+(6*7)+(5*1)+(4*5)+(3*7)+(2*5)+(1*5)=132
132 % 10 = 2
So 137157-55-2 is a valid CAS Registry Number.
137157-55-2Relevant academic research and scientific papers
Belkhouya,Frechou,Benazza,Beaupere,Uzan,Demailly
, p. 3977 - 3980 (1991)
N-protected 2-amino-2-deoxy-D-glycopyranoses can be selectively halogenated on C-6 by treatment with triphenylphosphine-carbone tetrahalide-pyridine.
