121284-47-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121284-47-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,2,8 and 4 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 121284-47:
(8*1)+(7*2)+(6*1)+(5*2)+(4*8)+(3*4)+(2*4)+(1*7)=97
97 % 10 = 7
So 121284-47-7 is a valid CAS Registry Number.
121284-47-7Relevant articles and documents
1-PHOSPHA-1,2-BUTADIENE - 1-PHOSPHA-1,2,3-BUTATRIENE
Maerkl, G.,Herold, U.
, p. 2935 - 2938 (2007/10/02)
By reaction of 2,4,6-tris-(tert-butyl)-phenylchlorophosphine (1) with 1-lithium-3R,3R',3-trimethylsiloxy-1-propynes (4) 4-trimethylsiloxy- and 4-hydroxy-1-phospha-1,2-butadienes (6, 7) as well as 1-phosphabutatrienes (8) are formed.
