18586-21-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18586-21-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,5,8 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 18586-21:
(7*1)+(6*8)+(5*5)+(4*8)+(3*6)+(2*2)+(1*1)=135
135 % 10 = 5
So 18586-21-5 is a valid CAS Registry Number.
18586-21-5Relevant articles and documents
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Hengge,E.,Weinhardt,B.
, p. 1275 - 1282 (1974)
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ORGANIC SONOCHEMISTRY, ULTRASONIC ACCELERATION OF THE REACTION OF DICARBONYLS WITH TRIMETHYLCHLOROSILANE IN THE PRESENCE OF ZINC.
Boudjouk, Philip,So, Jeung Ho
, p. 775 - 778 (2007/10/02)
Ultrasonic waves increase the rates and the yields of the reactions of some α-dicarbonyls towards zinc and trimethylchlorosilane to give bis(trimethylsiloxy)alkenes.
