132553-33-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 132553-33-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,5,5 and 3 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 132553-33:
(8*1)+(7*3)+(6*2)+(5*5)+(4*5)+(3*3)+(2*3)+(1*3)=104
104 % 10 = 4
So 132553-33-4 is a valid CAS Registry Number.
132553-33-4Relevant articles and documents
A facile new synthesis of aldehyde enamines in high yield and high purity
Fisher,Lee,Klettke
, p. 1541 - 1546 (2007/10/02)
Aldehyde enamines were synthesized in excellent yield and purity by reacting an aldehyde with 2 equivalents of a secondary amine in cyclohexane in the presence of 1.5 equivalents of CaH2. Distilled yields ranged from 65%-92%.