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74839-10-4

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74839-10-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74839-10-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,3 and 9 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 74839-10:
(7*7)+(6*4)+(5*8)+(4*3)+(3*9)+(2*1)+(1*0)=154
154 % 10 = 4
So 74839-10-4 is a valid CAS Registry Number.

74839-10-4SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name dibenzyl 4,4'-bis(2-methoxycarbonylethyl)-3,3'-dimethyl-2,2'-pyrromethane-5,5'-dicarboxylate

1.2 Other means of identification

Product number -
Other names dibenzyl 4,4'-bis-(2-methoxycarbonylethyl)-3,3'-dimethylpyrromethane-5,5'-dicarboxylate

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:74839-10-4 SDS

74839-10-4Relevant articles and documents

Synthetic and Biosynthetic Studies of Porphyrins. Part 9. Synthesis of Isocoproporphyrin, Dehydroisocoproporphyrin, and De-ethylisocopropophyrin

Jackson, Anthony H.,Lash, Timothy D.,Ryder, David J.

, p. 287 - 298 (2007/10/02)

The title compounds, which were extracted by patients suffering from porphyria cutanea tarda or rats poisoned with hexachlorobenzene have been synthesized by the b-oxobilane route.Isocoproporphyrin tetramethyl ester (7a) were prepared from pyrromethanes c

Biosynthesis of Porphyrins and Related Macrocycles. Part 13. Structure of the Protoporphyrin Isomer derived from Coproporphyrinogen lV by the Action of Beef-Liver Coproporphyrinogenase: Synthesis of Protoporphyrin Xlll

Battersby, Alan R.,Hamilton, Andrew D.,McDonald, Edward,Mombelli, Luisa,Wong, Oi-Hoong

, p. 1283 - 1289 (2007/10/02)

Coproporphyrinogen lV (8) is synthesised and is oxidatively decarboxylated by coproporphyrinogenase from beef-liver to produce, after aromatisation, a porphyrin proved to be protoporphyrin Xlll (11) by spectroscopy and by unambiquous synthesis; the synthesis route is described.A monovinylporphyrin, derived from an intermediate for the conversion (8) -> (11), is also isolated.The importance of these results for earlier biosynthetic studies with pyrromethanes is discussed.

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