93634-91-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93634-91-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,6,3 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 93634-91:
(7*9)+(6*3)+(5*6)+(4*3)+(3*4)+(2*9)+(1*1)=154
154 % 10 = 4
So 93634-91-4 is a valid CAS Registry Number.
93634-91-4Relevant articles and documents
COMMERCIAL SYNTHESIS 1,3-BIS(DIALKYLPHOSPHINO)PROPANES
Robertson, Allan J.,Micklethwaite, Colleen E.
, p. 79 - 82 (2007/10/02)
This paper reports a simple two step process by which a large variety of 1,3-bis(dialkylphosphino)propanes can be prepared on an industrial scale. The first stage is the preparation of an allyldialkylphosphine which is then followed by free radical additi