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99848-63-2

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99848-63-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99848-63-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,4 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 99848-63:
(7*9)+(6*9)+(5*8)+(4*4)+(3*8)+(2*6)+(1*3)=212
212 % 10 = 2
So 99848-63-2 is a valid CAS Registry Number.

99848-63-2Upstream product

99848-63-2Downstream Products

99848-63-2Relevant articles and documents

Bisphosphonic acids and esters

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, (2008/06/13)

The present invention relates to hitherto unknown compounds of the formula I STR1 in which R1 is a straight or branched, saturated or unsaturated aliphatic or alicyclic C1 -C10 hydrocarbon radical, an aryl or an aryl-C1 -C4 -alkyl radical, R1 if desired being unsubstituted or substituted with straight or branched C1 -C4 -alkyl, amino, C1 -C4 -alkamino, di-(C1 -C4 -alkyl)-amino, carboxy, C1 -C4 -alkoxycarbonyl, hydroxy, C1 -C4 -alkoxy, phenoxy, mercapto, C1 -C4 -alkylthio, phenylthio, halogen, trifluoromethyl; R2 stands for hydrogen, C1 -C8 -alkyl, aryl-C1 -C4 -alkyl or halogen; X is O or S, and n is an integer from 0 to 2; with the proviso that R2 cannot be hydrogen or methyl if n=O and R1 is methyl. The compounds of the invention are valuable in the human and veterinary practice.

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