137041-33-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137041-33-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,0,4 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137041-33:
(8*1)+(7*3)+(6*7)+(5*0)+(4*4)+(3*1)+(2*3)+(1*3)=99
99 % 10 = 9
So 137041-33-9 is a valid CAS Registry Number.
137041-33-9Relevant articles and documents
Regio- and Diastereoselective Ene Reaction of Triazolinedione with Vinylsilanes
Adam, Waldemar,Richter, Markus
, p. 243 - 246 (2007/10/02)
The ene reaction of 4-methyl-1,2,4-triazoline-3,5-dione (MTAD) with vinylsilanes 1 has been investigated.In all cases studied, only hydrogen abstraction geminal to the silyl group with formation of triazolidinediones 3 occured, irrespective of the number