53756-33-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53756-33-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,7,5 and 6 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 53756-33:
(7*5)+(6*3)+(5*7)+(4*5)+(3*6)+(2*3)+(1*3)=135
135 % 10 = 5
So 53756-33-5 is a valid CAS Registry Number.
53756-33-5Relevant articles and documents
L-ribulose: A novel chiral pool compound
Vanhessche,Van Der Eycken,Vandewalle
, p. 2237 - 2340 (2007/10/02)
The unnatural keto-sugar L-ribulose, presently more readily available, is an interesting 'chiral pool' product. Some key-intermediates for its transformation are described.