219937-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219937-74-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,9,3 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 219937-74:
(8*2)+(7*1)+(6*9)+(5*9)+(4*3)+(3*7)+(2*7)+(1*4)=173
173 % 10 = 3
So 219937-74-3 is a valid CAS Registry Number.
219937-74-3Relevant academic research and scientific papers
Crich, David,Barba, Gregory R.
, p. 9339 - 9342 (1998)
A concise, convergent synthesis of the caloporoside disaccharide is described in which the key step involves direct, stereoselective formation of the β-mannosidic linkage by the sulfoxide method.
