Chemist Consultation Substance Identification

如需鉴别物质或分配美国化学文摘社 (CAS) 登记号^®：

当您需要 CAS 登记号或查找报告和专有文件中的物质信息、在线检索、确认国际非专利药品名称 (INN) 或美国通用药品名称 (USAN) 申请时，请使用“化学家咨询服务”。

只要您向我们提供物质名称、CAS 登记号或结构图（包括长度限于 20 个字母数字字符的唯一物质标识符），我们的化学家将为您提供以下物质信息：

CAS 登记号（全新的或现有的）
CA 索引名称（全新的或现有的）
物质定义
分子式
结构图
同义词

在提交您的请求之前，请先检阅 CAS 登记标准概述和登记号信息要求，以免延误。

所有请求均严格保密。在收到处理所需的所有信息后，我们将在 10 个工作日内处理大部分请求。

请通过电子邮件提交化学家咨询服务订单和相关化学结构图/描述性信息，以加快处理进程。

注意：每种物质必须使用唯一的物质标识符，以便将结果与输入信息进行匹配。（例如您的内部物质标识符，如商品名称、产品代码或序列编号）。

联系我们

欲知更多信息（包括定价），请阅读常见问题或通过电话或电子邮件与我们联系。

电话：800-631-1884（北美地区）
‍‍电话：614-447-3870‍
‍电子邮件：answers@cas.org

要获取化学名称或 CAS 登记号^® 的精确匹配，请查询基本物质数据库查找服务

CAS Registry Services consultation

CAS Registry Services consultation provides substance identity information at a consultation rate. For CAS REGISTRY Number® retrieval or assignment, please see registration criteria, information requirements and attach a chemical structure diagram. If you would like both a CAS Registry Number and CA Index Name, please check the two appropriate boxes below.

CA Index Names (Attach chemical structure diagram below)

Retrieval of existing CAS Registry Numbers

Assignment of new CAS Registry Numbers. I acknowledge and understand that the identities of these substances are non-confidential and will be disclosed publicly. If a CAS Registry Number already exists, it will be retrieved.

Note: If you request assignment of a new CAS Registry number for a substance not already present in the CAS Registry system, that assignment will make your substance publicly available in CAS Registry®. Customer identity information will be kept confidential. If you wish to maintain confidentiality for your Substance's identity, you should request only a CA Index Name or retrieval of an existing CAS Registry number.

Customer requesting information

Is this request for a third-party?YesNo

Family/Last name*

First name*

Organization*

Street address*

Telephone*

Email*

Country*

*State or Province

*City

ZIP/Postal Code*

Add alternate contact? (optional)

Purchase order number

Email invoice to (if different than provided)

Billing contact/address (if not same as above)

A signature below is required before the requested consultation will be performed. This acknowledges acceptance of the CAS Registry Services Terms and Conditions, CAS Information Use Policy, and CAS Privacy Policy.

No other terms or conditions shall apply to this service, including any terms set forth in any Purchase Order submitted by Customer. Acceptance of a Purchase Order by CAS will be for payment purposes only and none of the terms in a Purchase Order will be binding upon CAS. Under no circumstances shall performance of the CAS Registry Services constitute acceptance of any additional or different terms.

As an authorized individual, by typing my name below, I accept the above terms provided in this Order Form.

By checking this box, you acknowledge that you accept the CAS Registry Services Terms and Conditions, CAS Information Use Policy, and CAS Privacy Policy.*

Authorized signature*

Date

Chemical structure diagram or descriptive information

Unique substance identifier (limited to 20 alphanumeric characters, for example trade name, product code or sequential numbering)Provide your chemical structure diagram or descriptive information in a separate attachment. (Accepted formats: .ppt, .pptx, .pdf, .doc, .docx)

Upload File

Max file size 10MB.

Uploading...

fileuploaded.jpg