344333-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344333-55-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,3,3 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 344333-55:
(8*3)+(7*4)+(6*4)+(5*3)+(4*3)+(3*3)+(2*5)+(1*5)=127
127 % 10 = 7
So 344333-55-7 is a valid CAS Registry Number.
344333-55-7Relevant articles and documents
REACTIONS OF ORGANOCOPPER REAGENTS DERIVED FROM CHLOROPRENE. CONJUGATE ADDITION AND NUCLEOPHILIC SUBSTITUTION
Shea, K. J.,Pham, P. Q.
, p. 1003 - 1006 (2007/10/02)
Organocopper reagents derived from 2-(1,3-butadienyl) magnesium chloride react regiospecifically with a α,β-unsaturated carbonyl compounds to give 1,4-addition products of 2-substituted-1,3-butadienes.
