126411-13-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126411-13-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,4,1 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 126411-13:
(8*1)+(7*2)+(6*6)+(5*4)+(4*1)+(3*1)+(2*1)+(1*3)=90
90 % 10 = 0
So 126411-13-0 is a valid CAS Registry Number.
InChI:InChI=1/C28H52O7P2/c1-18(2)32-36(30,33-19(3)4)25(37(31,34-20(5)6)35-21(7)8)17-22-15-23(27(9,10)11)26(29)24(16-22)28(12,13)14/h15-16,18-21,25,29H,17H2,1-14H3
126411-13-0Relevant articles and documents
Process for the preparation of diphosphonate derivatives
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, (2008/06/13)
A process for the preparation of a compound of formula I, STR1 wherein R1 and R2 are independently C1-6 alkyl, R3 is hydroxy and R4 and R5 are independently C1-6 alkyl is disclosed. The process comprises reacting a compound of formula II, STR2 wherein R1, R2 and R3 are defined as in formula I and X is a leaving group, with a compound of formula III, STR3 wherein R4 and R5 are independently C1-6 alkyl, in the presence of a base.
