70552-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70552-71-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,5,5 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 70552-71:
(7*7)+(6*0)+(5*5)+(4*5)+(3*2)+(2*7)+(1*1)=115
115 % 10 = 5
So 70552-71-5 is a valid CAS Registry Number.
70552-71-5Relevant articles and documents
Synthesis of (-)-periplanone-B, a sex pheromone component of the American cockroach (Periplaneta americana)
Kuwahara,Mori
, p. 8075 - 8082 (1990)
The naturally occurring (-)-enantiomer of periplanone-B was synthesized stereoselectively starting from (S)-3-cyclohexene-1-carboxylic acid. The crystalline pheromone was obtained in 12% overall yield through 18 steps.
