109333-59-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109333-59-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,3,3 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 109333-59:
(8*1)+(7*0)+(6*9)+(5*3)+(4*3)+(3*3)+(2*5)+(1*9)=117
117 % 10 = 7
So 109333-59-7 is a valid CAS Registry Number.
109333-59-7Relevant articles and documents
Synthesis of Tuftsin Using Picolyl Ester Method.
Dasgupta, S.,Chauhan, V. S.
, p. 1138 - 1141 (2007/10/02)
A convenient and quick synthesis of tuftsin, a immuno-modulating tetrapeptide is reported.The intermediates are isolated and characterised as picolyl ester derivatives.The synthetic tetrapeptide is found to be fully active.