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Check Digit Verification of cas no

The CAS Registry Mumber 643-37-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,4 and 3 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 643-37:
(5*6)+(4*4)+(3*3)+(2*3)+(1*7)=68
68 % 10 = 8
So 643-37-8 is a valid CAS Registry Number.

643-37-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name	6,8-dibromo-1H-quinazoline-2,4-dione

1.2 Other means of identification

Product number	-
Other names	6,8-Dibromo-chinazolin-2,4-dion

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:643-37-8 SDS

643-37-8Upstream product

643-37-8Downstream Products

643-37-8Relevant articles and documents

-

Sheibley,Turner

, p. 4918,4920 (1933)

COMPOUND FOR ORGANIC OPTOELECTRIC DEVICE, ORGANIC LIGHT EMITTING DEVICE CONTAINING SAME, AND DISPLAY DEVICE CONTAINING SAID ORGANIC LIGHT EMITTING DEVICE

-

Paragraph 0124, (2015/03/16)

The present invention relates to a compound for an organic optoelectric device, an organic light emitting device containing the same, and a display device containing the organic light emitting device. Provided is a compound for an organic optoelectric dev

SYNTHESIS AND PHARMACOLOGICAL STUDY OF PRAZOSIN

Volzhina, O. N.,Azimov, V. A.,Medvedev, B. A.,Kazakov, A. A.,Zhikhareva, G. P.,et al.

, p. 478 - 483 (2007/10/02)

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CAS

643-37-8