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P,P-Dibenzyl P',P'-diphenyl methylenebisphosphonate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

133918-70-4

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133918-70-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133918-70-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,9,1 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 133918-70:
(8*1)+(7*3)+(6*3)+(5*9)+(4*1)+(3*8)+(2*7)+(1*0)=134
134 % 10 = 4
So 133918-70-4 is a valid CAS Registry Number.

133918-70-4Relevant academic research and scientific papers

BISPHOSPHONIC COMPOUNDS. IV. PREPARATION AND IDENTIFICATION OF MIXED TETRAALKYL METHYLENE- AND (DICHLOROMETHYLENE)BISPHOSPHONATES BY NMR SPECTROSCOPIC, MASS SPECTROMETRIC AND X-RAY CRYSTALLOGRAPHIC STUDIES

Vepsaelaeinen, Jouko,Pohjala, Esko,Nupponen, Heikki,Vainiotalo, Pirjo,Ahlgren, Markku

, p. 183 - 204 (2007/10/02)

The chemisty of 28 mixed tetraalkyl methylene- and (dichloromethylene)bisphosphonates, (R1O)(R2O)P(O)CX2P(O)(OR3)(OR4), where R1 = Et, Allyl, CH=CHMe, Pri, Bu, But, Hex, Ph, Bn or octadecyl, R2 = Me, Et, Pri, Bu, But

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