21111-46-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21111-46-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,1,1 and 1 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21111-46:
(7*2)+(6*1)+(5*1)+(4*1)+(3*1)+(2*4)+(1*6)=46
46 % 10 = 6
So 21111-46-6 is a valid CAS Registry Number.
21111-46-6Relevant articles and documents
Reaction of 4-Alkyl/arylthiosemicarbazides with Cyanamide
Koshy, Lissamma,Joshua, C. P.
, p. 530 - 531 (2007/10/02)
The condensation of cyanamide with 4-alkyl/arylthiosemicarbazide hydrochlorides (I.HCl) results in the formation of 2-alkyl/arylamino-5-amino-1,3,4,-thiadiazoles (III) and 3-amino-4-alkyl/aryl-5-mercapto-1,2,4-triazoles (IV).