127258-13-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127258-13-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,2,5 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 127258-13:
(8*1)+(7*2)+(6*7)+(5*2)+(4*5)+(3*8)+(2*1)+(1*3)=123
123 % 10 = 3
So 127258-13-3 is a valid CAS Registry Number.
127258-13-3Relevant articles and documents
Efficient Preparation of Intermediates Corresponding to C22-C27 and C28-C34 of FK-506
Linde, II Robert G.,Egbertson, Melissa,Coleman, Robert S.,Jones, A. Brian,Danishefsky, Samuel J.
, p. 2771 - 2776 (2007/10/02)
Efficient large-scale preparations of aldehyde 2 and sulfone 3 representing the C22-C27 and C28-C34 potions of the immunosuppressant FK-506 (1) are descibed.
