21680-88-6 Usage
General Description
The chemical 2,2'-Bi-4H-1,4-oxaphosphorinium,4,4,4',4',6,6'-hexaphenyl-, bromide (1:2) is a compound with the formula [(C6H5)3P(CH2)2]2Br2. It consists of a phosphorus atom joined to two benzyl groups and a bromide anion. The compound is used in organic synthesis as a reagent for the conversion of alcohols to alkyl bromides. It is a white to off-white solid, and its use should be handled with caution due to its potential for toxic and irritant effects. Additionally, this chemical compound is not approved by the FDA for medical use in humans.
Check Digit Verification of cas no
The CAS Registry Mumber 21680-88-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,6,8 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 21680-88:
(7*2)+(6*1)+(5*6)+(4*8)+(3*0)+(2*8)+(1*8)=106
106 % 10 = 6
So 21680-88-6 is a valid CAS Registry Number.