121498-25-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121498-25-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,4,9 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 121498-25:
(8*1)+(7*2)+(6*1)+(5*4)+(4*9)+(3*8)+(2*2)+(1*5)=117
117 % 10 = 7
So 121498-25-7 is a valid CAS Registry Number.
121498-25-7Relevant articles and documents
Reaction of Carbamoyl-S-benzylcarbodithiolate with Dipolarophiles
Montero, V. Alcazar,Hernandez, I. Tapia,Teresa, J. de Pascual,Moran, J. R.,Olabarrieta, R.
, p. 3664 - 3667 (2007/10/02)
Tetrahydrothiophenes are obtained when dithiooxamide S-methylide is allowed to react with dipolarophiles.The reaction mechanism probably involves a nonconcerted pathway.