229470-21-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 229470-21-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,9,4,7 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 229470-21:
(8*2)+(7*2)+(6*9)+(5*4)+(4*7)+(3*0)+(2*2)+(1*1)=137
137 % 10 = 7
So 229470-21-7 is a valid CAS Registry Number.
229470-21-7Relevant articles and documents
A simple and concise synthesis of LY231514 (MTA)
Taylor, Edward C.,Liu, Bin
, p. 4023 - 4026 (1999)
The pyrrolo[2,3-d]pyrimidine anticancer agent LY231514 (MTA, 1) has been prepared utilizing, as a key sequence, Michael condensation of 2,6-diamino- 4(3H)-pyrimidinone (as the donor) with the nitro olefin 8, followed by a Nef reaction that leads to the annulated pyrrole ring of 1.
