153621-03-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 153621-03-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,6,2 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 153621-03:
(8*1)+(7*5)+(6*3)+(5*6)+(4*2)+(3*1)+(2*0)+(1*3)=105
105 % 10 = 5
So 153621-03-5 is a valid CAS Registry Number.
153621-03-5Relevant articles and documents
New pyrrole derivatives. Part 5: N-(Pyrrol-2-yl)thioureas and their cyclization products
Ebenreth,Pech,Bohm
, p. 488 - 492 (2007/10/02)
Starting from 5-alkylthio-2-aminopyrrol-3,4-dicarboxylic diamides several new N-(pyrrol-2-yl)thioureas were prepared by reaction with isothiocyanates. No reactions took place at the N-H-bond of the carbamoyl groups or of the pyrrole ring system. Also a di
