42986-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42986-83-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,9,8 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 42986-83:
(7*4)+(6*2)+(5*9)+(4*8)+(3*6)+(2*8)+(1*3)=154
154 % 10 = 4
So 42986-83-4 is a valid CAS Registry Number.
42986-83-4Relevant articles and documents
Synthesis of 1,2,4-triazolo[5,1-b]1,3,5-thiadiazepin-5-ylamine derivatives
Song, Choong Eui,Kim, Ji-Sook,Choi, Jung Hoon,Jin, Byung Woo
, p. 161 - 168 (2007/10/03)
1,2,4-Triazolo[5,1-b]1,3,5-thiadiazepin-5-ylamine derivatives were synthesized by the reaction of N-[2-(1,2,4-triazol-5-ylthio)phenyl]thioureas with DCC via cyclodesufurization.